Last night, the United States Senate passed legislation to give our intelligence professionals the legal tools and authority they need to keep America safe. I appreciate the hard work they did to find

They feel that they're facing a series of urgent crises. 他们感到自己面临着一系列紧迫的危机。 A crisis of demographics, a crisis of education, a crisis of employment, a crisis of violence and a crisis for girls. 人口危机，教

Hi, everybody. 大家好。 Today, our economy is growing and our businesses are consistently generating new jobs. 今天，我们的经济持续向好，而我们的企业也持续增加新的就业岗位。 But decades-long trends still threaten the middle class. 但10多

We can't exempt ourselves from the rules that apply to everybody else 我们不能只要求别的国家遵守国际规则 而自己逍遥法外 We can't call on others to make commitments to combat climate change if a whole lot of our polit

So one thing that I do agree with, and I think most experts would, is that the brain does have these dynamics. 其中一点我个人是同意的，我相信绝大多数专家也同意，那就是脑部确实有这样的动态。 It does lag behind the skull and then catch up an