在知识的掌握上区别很大。10% 落后。

来源: 笑薇. 于 2018-12-22 05:42:38 [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.