The challenge is not just to give people money but to understand how they make decisions under constraints.
挑战不仅仅是给人们钱，而是要理解他们在约束下如何做决策。
The real challenge is not just building climate models, but interpreting what they tell us.
大多数人发现他们从未后悔的事情只是他们的错误，但发现时已经太晚了。
真正的创新来自于解决现实世界的问题。