跑步是最便宜的。但美國早期倡導跑步健身的大腕們，很多都是50多歲就掛了。跑步不長壽。

來源: Luckyd 於 2015-01-12 21:45:48 [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.