世界上充满了这样的人,他们对一个令人满意的未来的概念,实际上是对理想化过去的回归。
The beauty of instrumental variables is that they allow us to see the world in a new light.
有时候,保持理智的唯一方法就是稍微疯狂一点。
I believe in love at first sight because I am a product of it. My parents fell in love at first sight.