Leslie T. Chang在Ted英语演讲:the voice of China's workers 中国工人的心声。 Hi. So I'd like to talk a little bit about the people who make the things we use every day: our shoes, our handbags, our computers and cel
THE PRESIDENT: Hello, hello -- there we go. Parkville Middle School, can you hear me now? STUDENTS: Yesss! THE PRESIDENT: Well, it is wonderful to see all of you. And I want to thank your terrific pri
Washington, DCMarch 9, 2009 Today, with the Executive Order I am about to sign, we will bring the change that so many scientists and researchers; doctors and innovators; patients and loved ones have h
