"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
随机实验是因果推理的黄金标准，但它们并不总是可行的。
建筑中最重要的东西是创造一种地方感。
Quality is the lifeline of an enterprise, we must hold ourselves to the highest standards.
To write is to explore the boundaries of the self.
If we don’t act now, the next generation will inherit a world with fewer resources and greater challenges.