幸福的代价：这篇演讲者介绍了很多种世界顶级贵的奢侈品，有吃的、用的、住的，试图探讨这些奢侈品的价格和他们带给人们的享受是不是成正比。作者了他个人的体验发现有些他喜欢觉得值，有些他觉得不值那个钱。最后还提到其实高标价本身也可以增加人们的满足感。也就是本来一块钱的饼干标价100出售，反而提高了人们的幸福感，很诡异的事。 Benjamin Wallace: The price of happiness
These bacteria are not passive riders, these are incredibly important, they keep us alive. 这些细菌不是顺从的乘客，他们难以置信得重要，他们让我们活着。 They cover us in an invisible body armor that keeps environmental insults out
Her Majesty the Queen has asked me to form a new government and I have accepted. 女王陛下已经授权我组建一个新政府，我已接受了这一任命。 Before I talk about that new government, let me say something about the one that has just p
October 27, 2007 THE PRESIDENT: Good morning. On Thursday, I traveled to California to visit communities ravaged by wildfires. I walked with a married couple through the charred remains of their home.
