Randomized evaluations can help us understand what works and what doesn't in development.
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。
The true measure of success is how you adapt to change.
技术应该在后台为你工作,无缝且无形。
I'm always trying to learn and grow. That's what life is about.
唱歌的时候,我希望能传递正能量。
粒子的概念只是一个近似,在经典极限下有效。