第10章 门槛的重要性（2 / 2）
PmMvPKaA4qaA4j5jPD5jLzyRgOMwMDMvMTAymrzvjKrpj7vnkIDjPmM8PmMvPJGA4zOavO+nuueJreeQgOM+Yzw+Yy88kYDjgbTmhbjmkIDjPmM8PmMvPIKA44qN5Y+w5YC45Ia65IG05oW45qqP5Z+55IyZ6Y+L6Iy874Kx5ZG65LqH5buS6YmF5bOY6bCI5bSb54C45Iy874CH5b655LeI5aiF5Yyu5ZWz5p6K5Ymc5qGy5pi/6LSw5rah5qS45K+Y5qqP5T5jPD5jLzyCgOObv+iIv+inuuc0kZDlrZbmjbjkjLzvqLbmirjkn4Dpq7/loZ3mjKrpj7vnhJrnvYPogIrmgbTmhbjmPmM8PmMvPIKA47qk55CP5oSa55GA4zErjKrpj7vnvYPogIrmgbTmhbjmkIDjiZzmmrzksbDlmrzkgLjkh7/oj6/mjLzvmYDltpfmhJrnuLzntLDml7Tmt4jlqJzljLzvr5jmhJrnnJblioPmlrvkpLvkPmM8PmMvPIKA44as6bu96Ii+5aWd5re16LeI5YyZ6Y+L6Iy874yq6Y+755qk5biv6ISa55m7572D6ICK5oG05oW45oq45KCK5Yy874a65K+96KGz5pm757Sw5pqE6Je05oSa54Om5bWB57iu6Kui6I+757K35aWz5qGx5oSa56iD6ZW65bi857Sw5qmk5aiY5j5jPD5jLzyCgOONuOahseaXtOa3iOWLp+WAvOW3iOWbr+aquOSAuOSlnea/i+aMh+mjgumjj+W0sOaSjuaGuuSwiOWau+aMvO+SgOW+lOa4vOe0sOaKiuaOkOWomumWu+Q+Yzw+Yy88goDjgabojYfpgJzmuLzntLDmhpDnhbjmqJzlsI7nhr3kPmM8PmMvPIKA45GE6LSk5YW45o245LiR5pu65Imc5oyZ6Y+L6D5jPD5jLzyCgOOIueSAu+SageWonOWTgemln+eNuOSOkOWol+mKuOSzheWMvO+LseWcuOSGuuSem+Wljua0m+exsOWDpuW1gee4ruiMvO+QreWimemwiOWem+U+Yzw+Yy88goDjna/ooJfmr7fogLjkPmM8PmMvPIKA44uO5ZSw5o695Ju65Imc5omn6J+E5oSa542Q5auO6IyZ6Y+L6Kmu6Jm/6Iy8752v6ISa55a75LaF5Yi55IC75LSv6KGy5p+55Iy877Sk5Y2J5YyZ6Y+L6Ia65Kic5bC16KWO5rSb57Gw5YOm5bWB57iu6Iyu5bSv6D5jPD5jLzydgOKCgOOnkOWwteijgumcgOI+Yzw+Yy88nYDigoDjhrrkjK7lioHojLzvr5flnIDiPmM8PmMvPJ2A4p+874a65Iyu5YqB6JyA4j5jPD5jLzyCgOO8nOeAuOSMmemPi+iGuuSlnuecluaDpuW1gee4rug+Yzw+Yy88nYDigoDjv5XprY/np5DlsLXonIDiPmM8PmMvPIKA47m+6Ku66IOm5bWB57iu6Ia65LCI5aWd5rSw5peR6JGM5rGw5YyZ6Y+L6Iy8746Q5aWI5ZOB6aqQ56C85YyS5T5jPD5jLzyCgOOLuuSIueSAu+SDpuW1gee4ruiJnOaYv+iqk+W2hOeNuOQ+Yzw+Yy88goDjjIfpkK3lopnpqrjkgLjkjJDlqJzlj73kiZzmobLmjJnpj4vojJLluaXlnIPmr4/lqo/lPmM8PmMvPIKA44qV5a+055qk5aWd5re16JGM5rSw5rah5oGN5aCH5baE54245Iy874Sa57ml5a645Zq85I2J5pCt5aKd6YSa57ml5aic5Yuc56+Y5oyZ6Y+L6Lq45KSu6LGw5bml5T5jPD5jLzyCgOOIvuWEmuecnOiclOeMh+mDv+WMvO+GuuSdu+eSi+aNuOSfueSqkOegvOU+Yzw+Yy88nYDigbzvvaXlnIDiPmM8PmMvPJ2A4oKA46y75KC95K645buO5Ye/6LGw5YSa55Ct5aKZ6bG35aqH6Iyu5Zm/5ZmA5baX5rCI5ZGI5oy874a65JGM5qWI5Z+55LSw5oy874WL5oGJ5r2l5Yek5YaH5buO5Z6b5aC95KWd5ou45KWO5oy874a65Lmv5ZyA4j5jPD5jLzydgOKCgOOpjue9peW6jOafnOeYv+ijgumMvO+3oOaZv+ivmOacnuaCpuWcgOI+Yzw+Yy88goDjuYLnsbzlhJrnnp3phprnkaznvJXlt6Dmmb/oiZzmmrzkuLDlra7mhJrnjYLmtoflpK3mgqblsIjls4PmvYPogbDoPmM8PmMvPIKA45ak5Y+E5oi+5Z+55IyZ6Y+L6Iy874u65J6b5Yi55Jm/6K+Y5raE54Wx5bCI5ayQ5T5jPD5jLzydgOKBvO+Emue7reaoo+eZu+eDruWKiua5gue5gueAuOS0pOWnluaMkuWAiOWwlemolOeMvO+ol+mAvOWljua0m+evmOaOkOWAnOasu+SRiOacgOI+Yzw+Yy88nYDigoDju47lh7/ojbjkiL/og67lm6fmqJfpjLzvr7zlk4nmvYPojbjklpvnnYbouLDlra7mo4LpnIDiPmM8PmMvPJ2A4oKA45un5qiX6YSa57OP5aa35YaI5ayF5YGN5Yy65JOB6YC45Ia65LCO57qH5bGw5aKd6Yu45KiX6aKZ6aOC6Yy8746Q5aiX6aic5p6u5ZqO5YSa56e65zGwiOWnuueHjeWMvO+wiOWNuOSzg+a9g+ivj+WgveSlnea3tei0r+icgOI+Yzw+Yy88goDjo4/lgLzlhJrngIDoq4Lnj7Dlm7rkiZzmjLzvkazngLjkj4Tml77lqpDnoLzlPmM8PmMvPJ2A4oKA44Sa56W06JOJ5oi55I6A5q+Y5qy75KC95Liw5a2u5ryc55G76Zuv5r2Z54Sa56e65zGjgumvj+WMvO+ol+mnpOWGuuSnuueHjeW2hOe9meisu+SgveSMvO+GuuSul+mGuuSYv+WfueSRiOappOWomOacgOI+Yzw+Yy88nYDigoDji7rkobLmn7nkkYjmqaTlvZnno63mjY/ljLzvhrrkmq7ls4blt6Dmmb/osbDljLzvhrrkjKHonIDiPmM8PmMvPIKA45q85Lqc5oSa54yq6Y+7572D6ICK5oeN5ZCP5oeI5YC45I+95JOK5ruh6YW/5Za75Kic5bCO5z5jPD5jLzyCgOOPhOaLu+SNuOSmuOSMmemPi+g+Yzw+Yy88nYDigoDjtLDmtqHmgY3loIfll77ljbjkjLzvobvmkYzmr5jmgabon5znjLzvp6TliLnko4LpuLzntLDmp6Tlo4LpnIDiPmM8PmMvPJ2A4oKA44qV5a+055qk5bSw5pGM5pyA4j5jPD5jLzydgOKCgOOEmuedtOidtOiskOWliOWgveSMvO+MmemPi+icgOI+Yzw+Yy88goDjjJnpj4vokZDli5zntKTlrIrmiI/ljpDlqJrpjLzvvJzngLjknbTonbTosZLphrrki5zniZznl5HosZrnqpDnoLzlPmM8PmMvPJ2A4oKA47u05o2H6Ya65I245LK55ZCt5amt5bOl5aq45KS45Ky75JGI5r2l5aOt5pyA4j5jPD5jLzydgOKCgOO9peWFg+afhOajgumcgOI+Yzw+Yy88goDjmrzkupzmhrrkj73kk4rmpY7mtJvnnbTonbTosZLpjLzvnbvnkovmqpDnoLzlia3nobLmPmM8PmMvPJ2A4oKA46G75oyB55m757i857Sw5oqK5qy75KC95Jm756W75K+P5Z+55JGI5oy874+E5ou75I245K+Y5oGm6Ky75KC95JyA4j5jPD5jLzydgOKCgOOEmueIueSAu+Shsua0sOa5gueRjOaMvO+LnuWhiuWNnOaRkOWPgeWDvuiUr+aLteippOWEmueShumJp+iRiOacgOI+Yzw+Yy88goDjo4/lgLzlpY7mtJvnlrvkhJrnjKrpj7vnvYPogIrmtLDmkYzmqLbmgabos4Pmg7/lgLjkjLzvqrjkmb/ot7XotK/oqpDnoLzlsIjli5znjJnpj4voPmM8PmMvPJ2A4p+875eQ5bSw5pGM5qO06J+06KC95LGw5Yy874yZ6Y+L6JyA4j5jPD5jLzyCgOONieWruuiMmemPi+iGuuSwiOWlneaMvO+LuOS+lOa2oea0sOaKiualjua0m+eqkOegvOWMvO+AvOW7pueDpuW1gee4ruiwiOWLnOc+Yzw=