每次只要不太久就没影响，至少每年要在美国半年以上

来源: xiaobaitu 于 2006-04-19 18:16:06 [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.