有不同，也有可比性，比如老鼠药可以毒死人。

来源: 欲千北于 2014-09-05 06:32:56 [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.