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President's Radio Address
May 26, 2007 THE PRESIDENT: Good morning. This Memorial Day weekend, Americans honor those who have given their lives in service to our Nation. As we pay tribute to the brave men and women who died fo
奥巴马每周电台演讲:美国工人的斗争将继续
The President spoke about what the Labor movement has meant for America: It was working men and women who made the 20th century the American century. It was the labor movement that helped secure so mu
TED演讲:怎样让企业持续运行100年(3)
If we went with Bob's philosophy, I think we'd actually end up with a more efficient immune system. 如果我们同意鲍勃的观点,我们实际上肯定了一种更为高效的免疫系统 And efficiency is always important in the short term. 而且效率在短期来说往往十分重
Ted英语演讲:太空漫旅:Garik Israelian:恒星里面有什么
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