米歇尔和习近平夫妇 Remarks by the First Lady Michelle Obama and President Xi Jinping of China 总统夫人米歇尔·奥巴马和中国国家主席习近平发表讲话 Diaoyutai Guest Houses, Beijing, China 钓鱼台国宾馆，中国北京 March 21, 2014 2014年3月21日 PRESIDENT XI

April 6, 2007 Dr. Sharon Hays, White House Office of Science and Technology Policy Jim Connaughton, Chairman, White House Council on Environmental Quality DR. HAYS: Welcome, everyone and thanks to all

My most recent book -- my previous book was called "The Know-It-All," 我最新的书--我前一本书叫做《无所不知》， and it was about the year I spent reading the Encyclopedia Britannica from A to Z in my quest to learn every

The eight-hour workday, 40-hour workweek, weekends.Overtime and the minimum wage.Safer workplaces.Health insurance, Social Security, Medicare, and retirement plans.All of those gains were fought for a

Now, with RFIDs and other things -- whatever technology it is, it doesn't really matter. 到那个时候，我们使用无线射频辨识系统（RFID）但用什么技术都无妨。 The point is that everything will have embedded in it some sensor connecting