嗯，考慮問題要看大的概率是怎麽回事，它的正態分布如何，個例，或者小概率事件，不去考慮。

來源: 嚴惠姍於 2022-05-12 15:59:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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