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.
我们不仅仅生产能源，我们创造机会。
记忆就像一只狗，它喜欢躺在哪里就躺在哪里。
The greatest power is the ability to control your own emotions and desires.
Markets alone won't solve all development challenges - we need smart interventions too.