大家都是從以往發生過的事情（無論失敗還是成功）中吸取教訓和總結經驗，還沒聽說從假設裏吸取教訓的。

來源: asd001 於 2024-02-15 20:10:38 [舊帖] [給我悄悄話] 本文已被閱讀：次

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