他在混淆概念。同質之間的比較，怎麽算做上士對下士。誰做統計不分組？難道將孩子與老人比？

來源: fuz 於 2021-12-21 10:31:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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