room and board的意思就是住和吃，所以是指食宿两者的费用。这儿只是一个估计数。

来源: rancho2008 于 2014-11-14 10:33:11 [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.