The facts of life are very simple, but the stories we tell about them are very complicated.

偏差和方差之间的权衡是机器学习中的一个基本概念。

Understanding the real lives of the poor is the first step toward designing effective policies to help them.

生活是一部由每个人用自己的决定书写的小说。

新闻自由不仅对民主重要，它就是民主。