每天5英裏不錯啊。每年1825英裏。普通人每天超過8英裏（每年3000英裏）就要小心受傷。

來源: 布蘭雅於 2022-07-09 14:32:10 [博客] [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.