養成鍛煉的習慣最重要，不鍛煉就難受。不需要任何東西監測自己，時間長了自然知道多少鍛煉合適。

來源: AprilMei 於 2021-06-14 09:55:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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