有背景的原因，估计也有别的原因？

来源: ppddll 于 2017-04-01 06:13:49 [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.