A group of students was told that a small democratic country had been invaded and had asked the U.S. for help. 在一项研究中，一群学生被告知某个民主小国在遭到侵略后向美国寻求援助。 And they had to make a decision. What should they do?
Hi, everybody. 大家好！ I'm here at Children's National Medical Center in Washington, D.C., visiting with some kids being treated here all the time for asthma and other breathing problems. 此刻，我在华盛
Ze isn't just a great public intellectual, he's also a brilliant community builder, 泽不仅是一名出色的公知，而且是一名优秀的社团组织者， and the community of people that built up around these videos was in many ways a communit
I would just like to say as an African woman 我只是想说作为一个非洲女人 that I believe the diet that we need 我相信我们需要的饮食疗养 is really to remove the crazy belief 是拿走那种疯狂的相信 that there is anything wrong 就是任何事都不对 with
