Hi, everybody. For decades, too many working Americans went without the security of health insurance-and their financial well-being suffered because of it. We've begun to change that. As the Affordabl
If we went with Bob's philosophy, I think we'd actually end up with a more efficient immune system. 如果我们同意鲍勃的观点，我们实际上肯定了一种更为高效的免疫系统 And efficiency is always important in the short term. 而且效率在短期来说往往十分重
Today President Obama made clear that as great as the demands on our government are, accountability will never fall by the wayside. First, this morning leaders from across the country descended upon W
And coming back to the snorkeling trip, we actually understand a great deal about the rules that fish schools use. 再回到那个潜泳之旅，事实上我们非常了解鱼群的运动规则。 So if we can invent the bodies to go with that, 如果我们能创造一个
