這個不能理解。鍛煉不是單靠意誌力，鍛煉方法太重要了。

來源: 愛自由於 2023-01-25 15:33:23 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.