The tide of war is receding（后退，减弱） . When I took office, roughly 180,000 Americans were serving in Iraq and Afghanistan. By the end of this year, that number will be cut in half, and it will continue

我的重点是：我知道我想要什么，就是正义。我知道我为什么想要它。 Stacey Abrams: 3 questions to ask yourself about everything you do 做任何事时，都要问自己三个问题 When I was in high school at the age of 17 --I graduated from high school in Decatur,

The second thing that happened is that I spent the day in the Camden, New Jersey police department. 第二件事是我在卡姆登的新泽西州警察局耗了一天。 Now, at that time, Camden, New Jersey, was the most dangerous city in Americ

Flight control is Brazilian. 飞行管制是巴西人发明的。 So we went together with these guys and we basically put this exoskeleton together,15 degrees of freedom, hydraulic machine that can be commanded by brain sig

In one study designed to measure the effects of adversity on children at risk, 在一项设计用来衡量逆境对困苦的孩子会产生怎样影响的研究表明， among a subset of 698 children who experienced the most severe and extreme conditions, 在69