I don’t think you can compare eras in tennis. Every era has its great players.

我不是一个放弃自己价值的人。

PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。

技术的力量在于它能够普及心理健康服务的可及性。

The only way to find true happiness is to risk being completely cut open.

电影的美在于它能将你带到另一个世界。