Aperiodic ticket can make use of flight's seats which bring out revenue for airline.

不定期票可以很好地利用航班资源，提高航空公司收益。

youdao

Aperiodic ticket can make use of flight's seats which bring out revenue for airline.

不定期票可以很好地利用航班资源，提高航空公司收益。

youdao