前麵加個“有的人”就很好理解。需要歸納，定出一個邊界，有了前提條件，就成定律了。：）

來源: ling_yin_shi 於 2024-01-17 15:24:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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