性價比差，累，收入也沒有高到哪裏去。人生最重要一點，用投入產出比分析問題，這是社會發展源動力

來源: mjnew 於 2023-05-04 15:41:25 [舊帖] [給我悄悄話] 本文已被閱讀：次

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