"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
和其它动物相比较,婴儿在出生以后,要有更长的一段霎时间需要别人的照顾。
Investors should be wary of anyone who claims to have a secret formula for beating the market.
领导力在于让他人因你的存在而变得更好,并确保这种影响在你离开后依然持续。