好的政策需要健全的理论和实证验证。
La novela es un viaje al interior del alma humana.
学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。
一个力学问题只有被简化为代数问题时才算解决。
The dominant kind of snobbery that exists nowadays is job snobbery. You encounter it within minutes at a party, when you get asked that famous iconic question of the early 21st century, "What do you do?" According to how you answer that question, people are either incredibly delighted to see you, or look at their watch and make their excuses.
自信源于准备，彻底了解你的领域。