The difference between correlation and causation is not just academic—it can have profound policy implications.
相关性和因果关系之间的区别不仅仅是学术上的——它可能具有深远的政策影响。
我们都是成功交配者的后代，而非失败者的后代，这深刻塑造了我们的交配心理。
Innovation is not just about creating something new; it's about improving what already exists.
The poor face constraints that are often invisible to policymakers.
To write is to bear witness to the world and to oneself.