底线是群体法则，个人自定，＝无。

来源: 野性于 2012-12-10 11:41:35 [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.