回复：It's easy to drop B over S, but hard to drop M and P over S.

来源: normalparent 于 2013-04-10 08:30:17 [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.

Change Ad Consent