最好的领导者是那些既倾听土地又倾听员工的人。
Randomized evaluations can help us understand what works and what doesn't in development.
"The world is always going to be dangerous, and people are always going to be good and bad."
The climate system is an angry beast, and we are poking it with sticks.
I want my fans to know how much I appreciate them.
我不是榜样,我是目标模型。