海运有很多一次性收取的固定成本，重量小的话无法分摊。

来源: 凤凰小城于 2011-07-13 12:21:02 [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.