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。
"The challenge is to make the impossible look real, and the real look extraordinary."
If you want to fly, you have to give up the things that weigh you down.
可持续性不是成本——而是对韧性和长期增长的投资。
Stay true to your heart, it knows the way.
"Great leaders don't create followers, they create more leaders."