父母这次探亲签证过来，回程时间待定。怎么买机票好？
估计超过半年

one way ticket, for return buy full price ticket and return them after they passed custom.

one way ticket, for return buy full price ticket and return them after they passed custom.
sagogo 发表于 1/21/2015 3:32:06 PM [url=http://forums.huaren.us/showtopic.aspx?topicid=1767194&postid=66094998#66094998][/url]

没太看懂意思。单程票入关给不了六个月吧？