随机评估可以帮助我们了解发展中哪些措施有效,哪些无效。
Randomized evaluations can help us understand what works and what doesn't in development.
The text is a tissue of quotations drawn from the innumerable centers of culture.
我们必须在经济增长和环境责任之间取得平衡——它们并不是相互排斥的。
Innovation is not just about technology; it's about people and how we work together to solve problems.
I don't want to be a king; I want to be a god.