N>=3就够了，再呆30年也差不多一样：）

来源: 有言于 2012-07-19 22:15:49 [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.