一部电影应该挑战观众，而不仅仅是娱乐他们。

The interplay between theory and practice in computer science is what drives innovation and progress.

To develop, enterprises must be rooted in real industry and down-to-earth.

No rain， no rainbow.

如果你和你的竞争对手做的事情本质上是一样的，你可能不会太成功。