Good morning, my dear teachers and friends! My name is Li Bingke, from class four O five. Today, I am very happy to be here. My topic is “Our School”. My dear friends, welcome to our schoo
Here it comes, Cat. Paolo, go. Last you solo. The one you made. 现在来，小凯。保罗，走。最后的独舞。你们编的那个。 Well done. Okay, good. Super. So-- 太棒了。好的，很好，非常好。所以—— So--Thank you. So -- three versions. 所以。谢谢。所以——三个版本。 Oh.
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
