哈哈，我用理科生的邏輯推理試了兩遍，沒弄明白，有文科生嗎？我也是發歌前看的簡介，我再讀讀：-）。多謝鼓勵！

來源: 北國大馬哈於 2025-07-20 10:05:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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