Chet is a trap shooter, and a darn good one, and one of the things you do is blast a sheet of paper from 35 yards and look at the pattern to see what it tells you about the gun and yourself.

Chet是一个飞靶射手，打得不错(a darn good one)，你要做的是从35码之外射击一页纸然后看看结果会告诉你枪怎么样或者你的技术如何。

youdao

If the perceptual abilities of autocars were hooked into the police (moving about in their self-driven patrol cars), every road would be a speed trap and every car a radar gun.

ENGADGET: Editorial: Self-driving cars FTW, but not for everybody