Or here's a video that I made as part of my show "Crash Course," talking about World War I: 还有这个视频，是我的节目《速成班》中的一期，讲的是第一次世界大战： The immediate cause was of course the assassination in Sarajevo of the Aus
Weekly Address: This Thanksgiving, Recognizing the Greatness of American Generosity (November 26, 2015) 标题：奥巴马每周电视讲话：总统祝福人民感恩节快乐 Hi,everybody.In 1620,a small band of pilgrims came to this continent,re
And my last example and the last one you guys probably have seen. I hate to do it to him. He is such a nice guy. When I first met Bryon Russell, John and Karl, I remember it was in Chicago in 1994, I
