練的好，說明能吃苦，精神集中，悟性好。

來源: 看熱鬧的北京人於 2015-04-02 15:44:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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練的好，說明能 吃苦，精神集中，悟性好。