问得好啊，我也一直不明白，下次问问他们。我想是通吃吧，哈哈

来源: 北京西城区于 2009-03-03 10:29:27 [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.