不懂得如何去爱却去爱,会伤害我们所爱的人。
规范是命令、允许或授权某种行为的行动的意义。
The most controversial thing I have ever done is to stick around.
I don’t want to be compared to anyone. I want to make my own history.
Randomized evaluations can help us understand what works and what doesn't in development.