任何一种模式都只能是在某种条件下才有意义。

来源: 聂耳于 2012-04-20 20:11:29 [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.