几周前新闻里说了，日行万步是跑步机商的商业宣传手法。每天其实走四千几百步就够了。

来源: Yahh 于 2019-06-19 18:52:48 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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