Ineresting note，bt 1C to 2C，幾百的差別，2孩to3孩，big jump，難怪老中大都隻有2C。

來源: xpk2011 於 2012-09-14 17:42:35 [舊帖] [給我悄悄話] 本文已被閱讀：次

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