where did you get this idea from?

來源: QualityWithoutName 於 2012-10-08 06:39:57 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (73 bytes)
回答: 人類起源和發展 由 牆根兒 於 2012-10-07 00:21:23

How do you know your cliam is true? How do you justify your claim?

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