有的人隻知其一，不知其二，知其然而不知其所以然，就少橫挑鼻子豎挑眼，自以為是，好為人師了。

來源: Juzizhoutou 於 2016-06-27 11:48:38 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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