This week, I traveled to Afghanistan--to thank our troops serving far from home, and to sign an historic agreement that will help us complete our mission and end the war. As Commander-in-Chief, nothin
When I heard that story, it started to shift a little bit the way that I worked too, and this idea already saved me once. 这个故事潜移默化地改变了我的工作方式，这一转变已经拯救了我一次，这个故事潜移默化地改变了我的工作方式，这一转变已经拯救了我一次。 It saved me w
In the space that used to house one transistor, we can now fit one billion. 在以前，可以放置一个晶体管的空间，现在可以放10亿个。 That made it so that a computer the size of an entire room now fits in your pocket. 这导致曾经占据了一整个房
这是古典音乐的介绍：Classical Music(后面还有关于音乐及贝多芬的介绍) Do not be bored. Classical music can be very stimulating. Classical music began in Europe in the Middle Ages and continues today. Classical music is the art
