完全同意，21天就成习惯，一旦习惯了就成自然了。

来源: Dots2016 于 2017-08-02 15:11:22 [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.