Hi, this is Joe Biden. I'm speaking to you from the University of Pittsburgh, where I just spoke to students here about what we've done to help ease the burden on them when it comes to the rising cost

The streets were all completely blocked off by the San Francisco Police and the U.S. Secret Service was there and Russian Security Forces were there 整条街都被旧金山警方封锁起来 满处都是美国特勤局和俄罗斯安全部队的人 And so was this

设计师施德明·萨格米特运用简单有趣的案例分享他的最近关于幸福的观点--从理性和非理性两方面。他的人生和创造幸福的七条定律可以（伴有一些个性化设计）用于每个人去寻求更多的幸福。Stefan Sagmeister: 7 rules for making more happiness 创造幸福的7条定律 英语演讲稿带中文翻译：I spent the best part of las

May 5, 2007 THE PRESIDENT: Good morning. At this hour, America's brave men and women in uniform are engaging our enemies around the world. And in this time of war, our elected officials have no higher

Hi, everybody. In our house, everybody knows that President is only the third-most important job in the family. So this weekend, I'm going to take a little extra time to say thank you to Michelle