比买两张单程票省钱，而且在行李限制等方面更方便。

来源: 老道于 2019-02-15 07:48:50 [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.