When a Ticket is originally issued without a reservation being specified, space may be later reserved subject to our Tariff and the availability of space on the flight requested.
如果您出具的客票是不定期的，您可根据我们的运价规则和航班座位可利用情况定座。
2
We achieve "high availability" by running two ticket servers.
我们通过运行两套票务服务器实现高可用。
3
You know that the period of availability of your ticket is only a days.