第二章 看不见的投入（1 / 2）

PmMvPA2CgOOeruWwjuevmOaMgOiMvO+9peWNuOSenem2ueWZv+iCgOO7juWtuOSvt+iXpeWsnOa6n+WEmuedgOKXreWkruiHluaGr+icgOKdgOKlj+WYkeagq+e7r+WcgOK6uOSmsuaavOS9g+mIu+eAnOaMvO++oeWBp+eGiOWog+mnpOWEmue6jOWwnOWGiOWog+mnpOWtuOS2heWMvO+Emue9peWAvOWqpOWNuOSvmOagvOWBgOiMvO+oiuWQv+imreWeiuWEmue+oeWBp+edgOKmreWLjuecgOKdgOKmreWwluacgOKEmue8jeiCpuWrgeeCpuWNieWLueQ+Yzw+Yy88DYKA47WB54O/5YSa57G85YaE6J+E5o+V5rGw5ayc5oa65LCI5YC/5rqI5Yy875Gs56mO54Sa54av6I+E5qCX5qq45IC45KC85YGA6Kui6Jq85I2J5oy876q45Jm/6Lq45KCb5a+Y5p+55CCCgOO0uOali+imreWCseavmOa9g+mMvO+WpOWLueSumueNuOSumueonOWMvO+QreWpreWKhuevmOaNuOSFgOiWiOaQreWpreWKhuevmOahrueNuOSMvO+cg+aNj+eEmuegiuW0m+aavOSNiealu+SAieaMvO+1tOivj+W3wp+c56aA4qaA4rW06K+P5YSa54av6KWf55OB6aWf54y875OY5o245Iu55KWd5rq45KCb5aOt5j5jPD5jLzwNgoDjoIrljaTlpbvkoJfmsIjlkL/ouLnlr5jmn7nkjLzvhJrnsZLpj47mr5jmv77ks43ljLzvkL/ouLnlhJrnk73luJvnr5jmo4LpjLzvn5Tnpq3lhJrnuozlsJzlibHmpq3mjLzvuozlsJzlhojlqIPpp6TlnZzmkJTljrrkg77ouJvnPmM8PmMvPA2CgOOEmuevtOiAuOSBjeWRsOWAnOaBpuiAnOmvmOaMvO+/peicuOSEmuemreWxt+Wqh+iTgemln+eYv+iMvO+olOe5tOiog+moheWEmuedgOKGr+iln+ecgOKmreWAieaxt+Wqh+ivmOaxsOWMvO+xkumvtOiAuOSjgumEmuePjuaxt+Wqh+iMvO+6uOSlu+SEmuefnOeppOWJnOahsuaflOemreWEmuednOaCp+ietOi9peWYv+iCgOOvtOiBjeWvmOaxsOWRsOWAnOaeruW2heWMvO+lheWViuahoOamreWEmueUuuW4m+eMvO+dr+iEmue5tOimreWvtOiAuOSPjuafnOamreWPr+aflOemreWquOSAuOSPr+aMvO+0r+ivmOaxsOWfueQ+Yzw+Yy88DYKA44C45JSv5oGN5a+Y5rGw5YKm5qek5Yy874u+5JSv5qiU57m06ISa55+U56at5bGS6Y+O5oyS5Yy8752A4rS06KWh6JyA4oSa57uz55O95Imx5qat5q+Y5raE552+5LSk5Y2H6T5jPD5jLzwNgoDjq7flp6Tlgafoq7flj7Dlr5jmn7nkjLzvnYDiubTopq3lnIDihJrnvqHlgafnmrzkvqTnjrrkg77ouJvnjLzvhJrnsZLpj47mr5jmv77ks43lh7/ojbjkgoDjsZLpj47mgabor5jmmL/ohJrniZzmhr3kjLzvubTopq3lhJrnp4Dmgb7lobHohrrkjYXlpY7mtJvnvYPor4/lm7rkiZzmgoDjia3nnbnkrYXlibjkhrrkhojlr5jmn7nkjLzvn7zlkK3lpbflmJHlhJrnrbjku7Pnk73knYDiprbmjo3lnIDir5jmv77ks43llLjkjIDoPmM8PmMvPA2CgOOfpOWNuOS9g+mdvOeZieeeoeWev+iMvO+7juWbv+iroeW9g+mLteiOqOeog+moheWEmuelnealu+S9m+W6u+WdnOaQlOW/i+aMvO+hqOaEp+iEmueNieWKtui/qeeVs+aenemgvOWBgOipjueMvO+0tOiloeiinemoheWavOS+pOeRkOWinemCgOOfvOWQreWlt+WYkeWEmuetuOS7s+eTveSdgOKmtuaOjeWcgOK0tOiloeiPh+m9sOWvmOaxsOWMvO+EmueageWfpOW9g+i3vuWgvOWMvO+tuuW2ruWGiOWog+mnpOWEmue6jOWwnOWJseamreaOuuS5r+WMvO+lu+SAieY+Yzw+Yy88DaaA4qaA4o695I2Z6be75JCb54qK5pW95IKm5Ya65LCI5ZCP5oiP5Zm/6D5jPD5jLzwNgoDjtojljIXon6TlvYPojLzvjpDli7nkt47olY3mj4fpp6Tlr5jmsbDljLzvlbPmnorlhJrnvaXlgJzmpbvkgInmjLzvp7rktLDml77lt47olbPmoJfmsbDljLzvlLDmqaTliq7muYnnh4HprYHpppfmgLjkgoDju4XllbPmnorlobLmiI/lhrrkmqTlhr3kjLzvmKLprpfpobLmn7nkkoDljLzvu4Xlu4XljIfptLDmsIjllInmvLHpjLzvqZnpnb/kvYPojbjkurjkoJvljLzvj4fphJrnqaTlibjkmqTls4foqaTlpLjkqaTlgLjklY3mr5jmsbDln7nkgL7lgL7ljLzvp7rktLDmhJrnt47olY3mtq7llLjmuLjlu6/ljLzvhJrntoTnvpjmiL7lhr3kPmM8PmMvPA2CgOOwiOWDkOW4uOW2l+a9g+ifueS2hOeqh+iMvO+Bteazsua7gumXr+a6uOSgm+WMvO+nuuS0sOaJree7see+meiBgOO7see8semOuuSzh+iMvO+EmuefpOWvmOaaruWvguilheWEkeaotOi9meeLm+iMvO+0r+iileaNuOSEmueapOWppOWPr+aMvO+Rp+eTuOSBgOOmreWtuOSEkOWJseamreaMgOiCgOOdt+iut+WGleW6meaEmueMiOiTu+eum+egnue6uuSku+SAvOWJi+afpOWztuiMvO+lheWEkea7heWlkOiEmuesnOa6n+WAnOY+Yzw+Yy88DYKA44OQ5Zq877mC54C45ISa55WN5YCu54Cc5rSv6LGw5Yy8772W5r6u6Kat5ZmV5oGA45iR5ZmV5oGA45Cd5pmV5qSZ6aiI5T5jPD5jLzwNgoDjsZLpiZzmjIfpi4nmjLzvqp7miZzmjIfpsIXourjkoJvlr5jmn7nko4LpjLzvnYDilZvpsbHlp7rlnIDiurjkkIjmibHmpq3mqJzln6TlvYPooLzlgYDojLzviYLojILogKfnpZ3mnYDiibHmp6Tlor3lqr3lnIDigabogJzpt6DmjJDljLzvjqfoiqfohJrntbTog53mgbXmu7jknp3pj73ktqHpm4rli47lj73ktqHpn6TlvYPojLzvnYDipK7lq67lnIDiurvlrr/kj4fpp6TljIDoPmM8PmMvPA2CgOOdt+iut+WEmueLieaYq+mBteaAuOSFtuiMkuWLieaYq+mBteaAuOSvmOaxsOWMvO+Niea6uuSUr+aEmuevuueVjeWvmOaqj+WfvO+bnOaDuOSTp+WUuuSKuOSNuOSUr+aVveS6uOS2ruWWuOSBteaAuOSZveS2heU+Yzw+Yy88DYKA45uc5oO45JOn5ZS65KqH6LqH5Yaa54y875ak5Yu+5IC45KCX5oy876Gg5pir6Z6K5ZGw5qGH5b645Iy8742J5Yu55Le+5aC85aic5Z2c5oKn6J606Ii55IC75Lq45K+Y5p+55Jm/6J+875eQ5YWD5ou65ISa55qB5Z+k5b2D6JeL57+Y6auM57+Y6a+Y5quk5ZGw5qiK5ZGP5T5jPD5jLzwNgoDjq6TlkbDmqIrlkY/lnLrlmK7lqa7ojLzvnLrlmK7lmbvnkI3mr5jmsbDlhYDolojmjLzvq6TlkbDmn4vlm4vmsZLplYrmpZ3mnYDiq6TluIDpnIDihJrnj4fpp6TliZzml77lsbDljLzvnYDivKXmq6TluIDpnIDiiInno7vkpI/lqrjkoIflnpDmr5jmhbvkhbvkurjkoJvlPmM8PmMvPA2fvO+onOWYreWKrua5ieeNp+eZv+idgOKrruWmreWLuOS3qOecgOKHv+iwjue6h+WYv+izh+iDueSMvO+0ueW+meewlea0ueW+mee/ieagvOSvmOa9g+mVveS6uOSMvO+dgOKhoOaNkOWcgOK5luawnOWEkOWEmueNieWLueSdnOaQlOWCgOOMoeibv+ilnea/ruarruW2ruWHmuenheeUr+avmOaxsOWsnOa6n+WMvO+LqOelt+WnpOWNp+eZv+iMvO+5oemAuOSwnOWfnOW0leazueWvmOaFu+SFu+SMvO+HmueCoOWVveSCpuWNiOihoOa0r+iNuOSMvO+Emue6uuSKg+aTveW4m+evmOa3oOaMkOWMvO+lheWViuaEmue9lua+ruimreWZleaOuuSzh+g+Yzw+Yy88DYKA476F6JiK5o6e54q45LSk5ZyV6aij55OJ5qic5a+Y5pi/6LaE552+5Iy877S55YGN5Ym45Iy65Kq45KGy5oy876a65Zu/6ISa54u45Lyc56eF54mM5oy876Wd5rqH5Z2A4oCJ5rap55Sg56at5YmF5ZyA4qq45IS85YGm6LOD5pa75Iy876O26LSF5Z+E5pyV6a6+5b6Y5rmv5a+Y5oW75IW75KqB5o6d5ouO57SQ5a+Y5ral6YKA44Sa56Wd5pu/6I645IKP5Z+k5b2D6JeL57+Y6auM57+Y6aq45KqT5b++5I+a6a+Y5o245LGw5Yy876yc5pCI5oSa56Kd6aih6Jeu56qP5YW75IW75Le+5aC85Yy874q45KWF5ZWK5piR5ZmV5qic5a+Y5oW75IW75Iy877qH5Yuc576a6Y245Ia95D5jPD5jLzwNgoDjhrrkpbvkr4/lsbDljLzvi7jkgLjki5znurrkhJrnu7Pnk73khpXlmK7libHmpq3mmbvngYDmv6flqrjkmb/ojLzvgYDmv6flhJrnm4rlnq7lspzpvpjmjafngLjkr5jmjbjknbDlqpzmhr3kjLzvnYDmj4TmhJrnsIXokZLmjp3mgYDombvniZzmr5jmtoTnupvlPmM8PmMvPA2CgOOquOS+meeKuOSquOSBjeWgh+WvmOaxsOWMvO+doum6vOeYkeWPkOWXrueNuOSMvO+NveSYruWEmueXiOW7s+eAuOSMvO+flOeer+iEmueDruWGveSMvO+CuOWOn+WEmuelnea6h+WggOmflOequOSAuOSvmOaZv+iMvO+/juWQreWsieavmOaxsOWLnuW4heWMvO++heiYiuaNuOSXvuWNuOSgvOWBgOilu+SAieaMvO+etOaVuuWgl+avmOa2hOe+mOaIvuWfvO+ikeWbnOaHjOaYkeWZleabuuSZv+iZu+e9g+iNieaMvO+NveSYruWRsOWapOWgiuWeouWBpui0ueWPr+aGveQ+Yzw+Yy88DYKA47CV5peu57qv6L+J5q+Y5rGw5YWD5ou65La75IC45ISa55Gi54aa56OP5Ymc5oy876Wd5qW75JOB6bqH5aqH6Le+5aC85YyA6IKA452v6Iq45Je+5bSv6L2D6L2D6ZS45Iy877mC54Cd576y5r2D6L2D6ayc5rqf5aaA4qaA4py45L2+6IGA45+f5b+l6IGA45eM5aC85oGA44WG5bOF5YGA45y45LGx5YGA45eM5bOy5oGA45eN5a2y5YGA45eN5Z+x5oGA46635p+x5oy8752A4qG/5I2754u75JyA4qC85YC45ISa57e+5aC85bCI5b+L5j5jPD5jLzwNgoDju7Pns4XliYTourrkhJrnurrkqrjkv73kn6/lgqfoibHmn7Hmr5jmmb/ojLzvnYDij5DlnIDir5jmjbjkjIDonYDimK7lnIDikIjmt7fmn6TlvYPov47luK/oo4/ln7Hmv5XpqJzluZ/ogbjkgqbllK/mjLzvhJrnjIfpsJzll5rmr5jmpbvkr4/ln7nkgoDjpbvkr4/lvYPpjLzvvrjkkI3ogYDjvrjkn6/lgYDjvrjkkafngqbllK/mjLzvl4jlj7rln4vlm4vmj7zlo63mhJrnuZbmmK7lgqbllK/mjLzvhJrnop3pjpjmr5jmpbvkr4/ljLzvk4HpoLjmhJrngb/oh43lqrjkmb/ojLzvhJrnnYDik4HpmoDpgb/oh43lnIDih6Tlt4Xlr5jmmJHlmZXmga/onb/kgaboiIXllqbpuozlsJzlibHmpq3mjLzvmJHlmZXmj73kmZXnhrrkurjkPmM8PmMvPA2CgOOQreW9uOWYruWkruiqj+WvmOa9g+mfueSMvO+OkOWLueSdnOaQlOWMkuWNieWLueSdnOaQlOWMvO+GuuS2hOeTveWMvO+QreW9uOWYruWkruiqj+WMvO+dgOK6uuSmueS7r+icgOKEmuednOaQlOWMvO+QreW9uOWYruWvmOaEmueBpuiNh+mAnOaCgOOCseaBpuiEmuesnOa6n+WAnOavmOaaruWvguixkum2hOeTveWMvO+xkumvmOaNuOSYv+iEmuelnea6h+W/i+aBpuiIheWWpumMvO+YkeWZleaPveSZleeBpuizg+aTuOStuOSBgOOmreWtuOSJseamreaLuOS8nOeCpuWjreY+Yzw+Yy88DaaA4qaA4omt54245I2A5b6Z54C45I2A5YGN5ZS65I2A5YGN5Yy65I2A5YGN5YSa54m874q45Ii876at5bCV5omt55ir6aat5YC45Kek5aC85YGA6K+Y5oKm5qek5ayc5pCI5qq45Jm/6Iy874aI5a+n566+5aat5YyH6aOC6aG46aKN5Zir6buO5Zq75oGm6LOD5oy874Sa57eg5oyQ5Ya95D5jPD5jLzwNgoDjkbDmsrrktJvmm6fmqJfpoLnkpq3lhJrnhojlr6fnrr7lqa7or5jmjIDojLzvmKvpkI/mprrlhbnlp6Tlr5jmnp3ptrnlh47niJXmoLnkpq3ljLzvuYLnuYLngLjkiLnko4Lpurzlgabor5jmsbDljLzvkJ3mmZXmpq3lp6Tlhojlr6fnrr7lhJrnobjpoo3lmKvpjLzvi77kurjkhojlr6fnrr7lpbvkjLzvjKrpj7vnhJrntLnlk73loLzlgYDop4XniYzmjLzvi57luIXlhJrnkJ3mmZXmqLTomLzkjLzvi6jnpbfln5zmv5Xpqrjkr5jmsbDllozlmLzkhJrnkJ3mmZXmtK/ojbjklLjkjLzvhJrnnYDisoLomZXmnIDipaHotLTou47lkYfphLXohJrnj4fpp6Tlhrrkg7DovYrmr5jmibHmpq3mPmM8PmMvPA2CgOO5tOimreWEmueCmOaYq+m3oOaZv+iFi+a/ieaVs+agl+asnOa5oOaMvO+tuuW2ruWflOemreWEmuewleaapOWnpOWMvO+Gh+WHoOaEmueuv+SfneaZu+e+oeWBp+enheeJjOaCgOOEmuedgOKZleaBp+ecgOKageWJnOafueSflOemreWEmueCoOWyruinpOW/peisuuS0ueWTveWMvO+Gh+WHoOamreWZleaEmue3oOaMkOWMvO+LvuS6uOSTuOStuOSBgOOmreWtuOSEmueJseamrealu+Q+Yzw+Yy88DYKA45q45Iu65ISa56ek5YGe5qWF5ZWK5pS45IyA6KWF5ZWK5p+c5r+V6aq45IC45K+Y5rKC6JmV5rap54i754y875un5qiX6aat5YKx5oa65I695I2Z6ZuK5Yu55I6Z6Iy65JuJ55255L2w5bm06Imx5qat5pWA5qqT5Yy875W65bCI5bSv6D5jPD5jLzwNgoDjvq/ogqDlmb/ohrrkn53mk7vnjLzvjYHpgLjkhrrkhpDns6LmsJbmjYfpibnksq7oiormPmM8PmMvPA2CgOOKleWlneahg+i9g+iNuOSvmOaYv+i2hOecnuY+Yzw+Yy88DYKA44Cd56Wd5pCt5beX6ZeA6bOD5q+Y5rGw5aWd5qyc5pa75Iy877KY6YqP5Y245J2M56C85YGA6Kmu6Jm/6IKA446Z5b2K5rCc5beB5beB5Zi/6LOH6JqU54Sa54mc5oy874ui6JGE6Ia65Iu45I695LCc5aeE5p6+572D6ay75Ja75Iy876W75ICJ5j5jPD5jLzwNgoDjmrzkupzmoLnkpq3lhJrnk5jmjbjki7nkpZ3mmb/onIPmjY/nhJrnk73luJvnr5jmmL/on5Tnpq3lhJrnnZzmgqfonrTojLzvjJDljbjkn5Tnpq3lh5fniJDlvLvnoZ3mubLmk73kpL7nhJrnjYnlirbov6nnlbPmnp3pjJLljLzvm4vmp6TlhrrkuoflraXnl77lvprpoLzlgYDohJrnqIrlu7Tmpq3lmZXmjrjkgo/lmL/olLDltoHlPmM8PmMvPA2dgOKmgOKmgOKbnOaxpOWIvuWRiOaMvO+8oOaKj+WNuOSGiOWHneWzueWmreWwleaMvO+flOemreWKseWAuOSEmueut+WAnOaHv+imuOWRiOavmOasu+SgveScgOI+Yzw=