However you travel, it'll take you at least three days.

不管你怎么走，至少要三天。

youdao

It used to take a fortnight to travel from London to Edingburgh by coach, however you can now travel many times around the world in that time.

过去，坐长途汽车从伦敦到爱丁堡需要两周的时间，但现在你可以在两周里多次环游世界。

youdao

However convenient air travel undoubtedly is, you should remember that during your trip hundreds of tons of damaging greenhouse gases are pumped out into the atmosphere.

不管空中旅行的便利有多部不容置疑，你应该记住在你飞行的过程中，几百吨破坏性的温室气体被排放到大气中。

youdao

Microwave imaging is used plenty, however, and due to its flexibility and lack of moving parts, the sensor could be used to build better integrated, cheaper airport scanners and vehicle collision avoidance technology -- making you safer however you choose to travel.

ENGADGET

However if you add a family, work and work travel, the degree of difficulty is multiplied several times over.

WSJ: Duke University