Why walk when you can fly?

你能飞的时候干嘛还要走路呢？

youdao

A few aches, an empty belly, chills by night … what does it matter when you can fly?

一点点疼痛，一个空腹，还有夜晚的寒颤……当你能够翱翔，这些又算得了什么？

youdao

When you can fly, don't give up flying. When you can dream, don't give up the dream.

当你能飞的时候就不要放弃飞。当你能梦的时候就不要放弃梦。

youdao

This clearance will have Americans asking one another, why drive when you can fly and drive?

FORBES: The Flying Car Has Arrived (Seriously)

This means that when you fly over a given area, you can acquire double the number of images than would normally be the case.

BBC: Sharp-eyed Pleiades returns first pictures

This lets you exert less force when keying and, for typists who can really fly, eliminates the missing letters that result when the keyboard can't keep up with your fingers.

WSJ: Keys That Really Click