我以前学过这个短语的，可是忘记了，这次是“温故而知新”。

来源: 紫君于 2010-11-23 14:47:06 [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.