自然实验可以为经济问题提供有价值的见解。
Natural experiments can provide valuable insights into economic questions.
称为颜子，没有不高兴的，虽颜回贫贱短寿。称人为盗跖，没有不发怒的，虽发不义之财且长期寿。
The power of computing lies in its ability to transform ideas into reality.
I don't let the noise drown out my voice.
Music is my life, without music I can't live.
I think a lot about labor and time.
真正的纽约人暗中相信，生活在其他地方的人在某种意义上一定是在开玩笑。