乘飞机旅行的人数将以每年大约6%的速度持续增加。

Air travel will continue to grow at about 6% per year.

《柯林斯英汉双解大词典》

因为美国幅员辽阔，乘飞机旅行很常见。

The immensity of the United States makes air travel common place.

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与乘火车或飞机旅行相比，你不仅能了解到更多关于一个国家的信息，而且还能感受到那晚在哪里结束的那种兴奋。

Not only did you find out much more about a country than when traveling by train or plane, but there was that element of excitement about where you would finish up that night.

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We start our adventure on an airplane which the kids painted and designed and then we prepared for our trip which of course made of papers of kindergartens.

我们的旅程开始于,孩子们绘画和设计飞机,接着我们为旅行做准备,用幼儿园的纸做的行李箱。

麻省理工公开课 - 媒体、教育、市场课程节选

So the problem here, roughly, is given, a number of cities, and say the cost of traveling from city to city by airplane, what's the least cost round trip that you can find?

基本上就是一个这样的问题,你被告知了一些城市,以及在城市之间坐飞机旅行的花费,那一条是你们能找到最短往返路径？

麻省理工公开课 - 计算机科学及编程导论课程节选