Using them was reasonable when booking a flight, but sometimes customers visit the agency in person and want to book a flight, a hotel, and a rental car all at once.
在预订机票时，使用它们是合理的，但是有时客户亲自到旅行社来，并希望立即预订机票、酒店和出租车。
Then, suppose a customer walks into the agency where Bob is working and requests another booking; that customer's request is temporarily a higher priority.
然后，假设一个客户来到Bob工作的旅行社，并进行另一个预订请求；这时，该客户的请求具有更高的优先级。
Also beating expectations is online travel agency Orbitz WorldWide, which posted a second-quarter profit, helped by increased booking transactions and cost-cutting that offset declines in demand.
另外一家超乎预期的是在线旅行社orbitz WorldWide，其第二季度实现了盈利，是由预订交易量增长以及抵消了需求下降的成本削减措施所带动的。
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