Thank you, Mr. Douglas, for your commitment as a Messenger of Peace. I'm honored to stand here this afternoon alongside the great Ban Ki-moon, my fellow Messengers of Peace and all of you together
苹果CEO乔布斯在斯坦福大学的演讲稿[中英] When I was 17, I read a quote that went something like: "If you live each day as if it was your last, someday you'll most certainly be right." It made an impression on me, and s
I'm not even telling you the story because I think we should be running more carefully controlled randomized trials in all aspects of public policy, 我跟你说这个故事也不是因为我认为，我们在公共政策的各个方面，做随机抽样试验时，应该更小心， altho
