是的，不要說老年人，就是30多歲的人跑兩次也很夠了。稍後我開個帖談下快走和跑步。

來源: 短刀於 2013-04-21 07:39:29 [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.