这些新发现应该有助于乘客在乘坐飞机旅行时不那么容易感染上呼吸道病毒。

These new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.

youdao

他们争论乘火车旅行好还是坐飞机旅行好。

They argued about traveling by train versus traveling by plane.

youdao

那些坐飞机旅行的人每年平均飞行两次。

Those who do fly take an average of about two trips a year.

youdao

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？

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