The difference between correlation and causation is not just academic—it can have profound policy implications.
你无法预先把点点滴滴串连起来,只有在回顾时才能明白它们是如何联系在一起的。
我们需要的书是那些能读懂我们的书。
I'm not the next Usain Bolt or Michael Phelps. I'm the first Simone Biles.