The beauty of instrumental variables is that they allow us to see the world in a new light.

用互联网的方式做手机。

C is quirky, flawed, and an enormous success.

The most important thing is to be true to yourself and to the character you're portraying.

世界不是由那些正确的人运行的。它是由那些能说服别人他们正确的人运行的。