Hi everybody. 嗨，大家好。 A few days ago, I unveiled a new national plan to confront the growing threat of a changing climate. 就在前几天，我推出了一项新的国家计划以应对日益增长的气候变化威胁。 Decades of carefully reviewed science tells
March 3, 2008 THE PRESIDENT: Welcome. Thanks for coming. Mr. Vice President, Mr. Secretary, members of the Dakotan Congressional Delegations, Senator from Alaska, other members of Congress, Members of
Does the Taliban have a point of view on physics that is worth considering? No. 难道塔利班对物理学的意见也值得我们考虑吗？不。 How is their ignorance any less obvious on the subject of human well-being? 但他们对幸福的无知和他们对物理的无知有什
Design -- I love its design. I remember when I was little, my mom asked me, "Would you like to play the violin or the piano?" 设计—我喜欢小提琴的设计。我记得我小的时候，我妈妈问我，你是喜欢拉小提琴还是弹钢琴？ I looked at that giant monster
