网上有的是免费学习资源，但不爱喝水的牛无法强迫。天性懒惰是人类最大的disadvantage，远胜于智商不足

来源: 78qwert 于 2014-02-20 15:17:33 [旧帖] [给我悄悄话] 本文已被阅读：次

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