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In the end , nearly everyone benefits from overbooking .

最后要申明的是，几乎所有人都从超额预定中受益。

Overbooking is one of the main components of revenue management .

超订是收入管理中的主要内容之一。

And domestic airline overbooking ticket often reached the proportion of 5 % .

而且国内航空公司机票超售比例往往达到了5%。

The higher cost of overbooking means airlines will be more conservative .

超额预订的成本上升意味着航空公司会愈发保守。

If overbooking was stopped , then one of two things would happen at most airlines : either fares would rise , or flights would start to disappear because they were no longer profitable .

若禁止机票的超额预定，大多数航空公司将出现两种情况：提升票价或者开始取消航班，因为航班不再盈利。