TED演讲之败中求胜 试验 排除错误和万能神力(2)
So Archie splits the men under his care as best he can into two equal groups. 所以阿奇就把他的病人平分成两组人。他给其中的一半维他命C。他给另一半维他命B12。 He gives half of them vitamin C. He gives half of them vitamin B12. 他给其中的一半维他命C。
The Gettysburg Address
背景知识 美国在1776年独立,脱离英国的管治,不足一百年间,已发展成一个超级大国。由于国土辽阔,南北之间的分歧亦大。 美国北方依靠工商业,要求提高关税以保护他们产品的市场;南方依靠农业,需要自由贸易制度,以便他们的棉花、烟草和大米卖到欧洲各国。但双方更大的分歧在于是否解放黑奴。 1860年,林肯(Abraham Lincoln) 当选美国总统,尽管南方人也认同林肯的看法,奴隶制最终要从地球上消失
美国共和党参议员每周视频致辞(2016年10月15日)
Hi, I'm Kevin Cramer. You know, everyone loves to celebrate success. And that's what I am doing today as I speak to you from Grand Forks, North Dakota, where the University of North Dakota College of
特朗普每周电视讲话:对美国工人承诺计划(2)
We’re encouraging companies across the country to join our historic initiative and pledge 我们正鼓励全美公司加入我们有历史意义的提议和承诺 to invest in training Americans for the jobs of today and the careers of tomorrow. 为了
奥巴马演讲:关于赤字和公司税收改革的讲话6
Q But has it improved the chances of something like Mideast peace, or has it made it more complicated in your mind? THE PRESIDENT: I think it offers an opportunity as well as a challenge. I think the