應該明白:證明有隻需證明1處有,證明無必須證明處處無.

來源: mblbls-3 於 2010-06-02 18:48:38 [舊帖] [給我悄悄話] 本文已被閱讀：次

看你慌的連邏輯都不顧了.

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