I am in and out。美國學校和中國不同。陳景潤很讓人佩服，不過，在美國學校裏不多。

來源: 知人知麵於 2014-02-17 11:51:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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