As one of her chief responsibilities and greatest passions, the First lady has dedicated herself to helping our children grow up healthy and reversing the alarming childhood obesity trend -- so the Pr
奥巴马就“康涅狄格州校园枪击案”发表电视演讲中英字幕完整版及双语演讲稿， 这是奥巴马大选获胜落泪后，第二次哽咽落泪。他说：这些遭遇不幸的“乡亲”也可能是我们自己，所以我们必须不受政治分歧左右，走到一起，采取有意义的行动，以防止更多悲剧重演。 Text of President Barack Obama's address to the nation
So we believe that deep computing is a trend that will have a profound effect on commerce and on society. Of course a concept throwing big problems at computers is not a new idea. Its rules can be tra
When you leave here, you're going to face a great challenge: a full-time job. 你们从这儿毕业后，将会面临一个巨大的挑战：一份全职工作。 And the hardest part is going to be getting used to solving problems that don't yet have answ
