Eleven of Europe's 15 busiest routes are controlled by only two national airlines.欧洲15条最繁忙的航线中, 就有11条由两家国有航空公司控制。

a blocked airline堵塞的空气管

Airline passengers have good reason to complain.航空旅客有充分的理由抱怨。

buyers of cheap airline tickets买廉价机票的人们

In the airline industry all accidents are reported.在航空业, 所有的事故都要报告。