I am optimistic that we can do this, but I talk to skeptics who claim there is no hope. They say: "Inequity has been with us since the beginning, and will be with us till the end-because people j

TED Technology, Entertainment, Design在英语中的缩写，美国的一家私有非营利机构，以它组织的TED大会著称；将"用思想的力量来改变世界"作为宗旨。事实上，除了科技、娱乐、设计的主题，这场盛会涉及的领域还在不断扩展，展现着涉及几乎各个领域的各种见解，TED的演讲简短且深刻，参加者们称它为 “超级大脑SPA”。 The "Dirty Jobs" crew and I

On Thursday, I visited a new, high-tech factory in Michigan where workers are helping America lead the way in a growing clean energy industry. They were proud of their work, and they should be. They’r

And what do you say? You say, you say, "That's risky, kid. Might fail, kid. 然后你说什么？你说，你说，“嗯...那样比较不保险，孩子。有可能会失败，孩子。 Don't make a lot of money at that, kid. I don't know, kid, you should think about th

Hi everybody. This weekend, we'll dedicate the newest American icon on our National Mall - the National Museum of African American History and Culture. 嗨，大家好。本周末，我们将在国家广场把时间留给美国标杆建筑--非洲裔美国人历史和文化国家