"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

品牌是由客户的体验定义的，而不是由公司的营销定义的。

最终，我们都只是故事。重要的是我们如何讲述它们。

A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.

Every ton of coal we extract carries a responsibility—to our workers, communities, and the planet.