预测未来的最好方法就是创造未来。

任正非内部讲话稿

In language， there is no one-to-one correspondence between words and the things they refer to.

The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.

煤炭不仅仅是一种商品，它是对美国未来的承诺。

网球是一项心理游戏。每个人都很健康，每个人都能打出漂亮的正手和反手。