Natural experiments can provide valuable insights into economic questions.
自然实验可以为经济问题提供有价值的见解。
在危机时刻，一家公司的真正品格才会显现。
I’ve never been a person that has been concerned about what people say. I’m just me.
In mining, safety isn't just policy - it's personal.
货币政策中的勇气不是没有恐惧，而是判断有比恐惧更重要的事情。
音乐不在于音符中，而在于音符之间的沉默。