解释的真好，简洁明了，我也学习了，谢谢。

来源: 斯葭于 2014-01-23 08:52:03 [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.