This week, I authorized two operations in Iraq. 本周，我授权在伊拉克开展两项行动。 First, I directed our military to take action to protect our American diplomats and military advisors serving in the city of Erbil. 第一
And there's been a bunch of interesting studies recently that have shown this playing around is really a kind of experimental research program. 最近有很多有意思的研究显示了孩子的随意尝试，的确可以作为一个研究项目。 Here's one from Cris
Hi, everybody. Over the past seven years, we haven't just been recovering from crisis, we've been rebuilding our economy on a new foundation for growth – growth that benefits everybody, not ju
I actually studied Psychology in Harvard, not Computer Science. Although a little bit of Computer Science. I've been programming since I was ten. And I think that it kind of like went, reach the point
