Giving up smoking is the easiest thing in the world. I know because I’ve done it thousands of times.

我不是那种会让我的球迷失望的人。

I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.

The more we uncover, the more complex the story becomes.

形式语言和自动机的研究对于理解计算机科学的理论基础至关重要。