PRESIDENT OBAMA: Good morning, everybody. It is my privilege to welcome you to Washington and to formally convene our fourth Nuclear Security Summit. I convened our first summit – six years ago, in th
Hello, everybody. This past week, we lost an American icon and one of the most influential figures of her time-former First Lady Nancy Reagan. 大家好！上个星期，我们失去了一位美国的标志人物，也是她那个时代最有影响力的人物，前第一夫人，南希·里根。 Born
December 6, 2007 THE PRESIDENT: Mr. Secretary, thank you for that kind introduction. And thank you all for joining us. Laura and I are pleased to welcome you on this joyous occasion. As the Secretary
But we go back to this point that China has been a dominant economic power through human history. 我们回到这一点上，中国自古以来是一个主要经济体。 It comes because of the central plain which I was walking right across betwee
