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 .
