该公司称，随着瑞安航空航班的平均里程增加13%，衡量平均票价的收益率增加了5%。

Yields, a measure of average fares, rose by 5 percent as the average length of Ryanair flights increased by 13 percent, the airline said.

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所以，在这些城市必须在买票前先查知自己搭乘里程的票价多少。

So in these cities, one must first check what the cost is for their particular destination before purchasing a ticket.

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自行输入【年龄里程折扣全票价】。

Enter their own mileage discount [age] full fare.

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