有點沒明白，標題裏的which one是什麽意思？這個扔硬幣難度很大，背著扔：）

來源: 暖冬cool夏於 2025-10-10 17:28:20 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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