如果航班取消或延迟，他们将会快速的从a计划转移到B计划，直到他们花光所有的应急费用。
If a flight gets cancelled or delayed, they will rapidly move from Plan a to Plan b, and so on, until they exhaust all possible contingencies.
如果航班取消或延迟，他们将会快速的从a计划转移到B计划，直到他们花光所有的应急费用。
If a flight gets cancelled or delayed, they will rapidly move from Plan a to Plan b, and so on, until they exhaust all possible contingencies.
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