My name is Dan Cohen, and I am academic, as he said. 我叫丹·科恩，我是个学者，就像主持人介绍的。 And what that means is that I argue. 这意味着我经常需要辩论。 It's an important part of my life, and I like to argue. 这是我生命中的重要组成部分，

And there's been a bunch of interesting studies recently that have shown this playing around is really a kind of experimental research program. 最近有很多有意思的研究显示了孩子的随意尝试，的确可以作为一个研究项目。 Here's one from Cris

5.Mrs.Thatcher's Farewell Speech 5.撒切尔夫人的告别演说 Government apart, the strength of a civilized nation depends on the natural authority of the family, the school, the church and our great institutions

June 4, 2008 PRESIDENT BUSH: Mr. Prime Minister, welcome back. First of all, I want to thank you and your good bride for being such gracious hosts to Laura and me. I loved my trip to Israel. It was re

Another is what I call noticing. 另外个技巧我称它为"关注"。 This is usually giving a compliment. 一般在这种情况下要赞美别人。 I'm a big fan of noticing people's shoes. 我十分注意别人的鞋子， I'm actually not wearing fabulous shoes right