抓住求教：

來源: HaMMy 於 2010-09-24 23:52:59 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

為什麽推孩子算盤？利在哪裏？有時間可否給詳細科普一下？先謝了~~

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