Does that really explain what we're seeing with the intellectual property battles nowadays? 这是否能解释今天的知识产权斗争呢？ Because those people who were hunter-gatherers in origin wanted to be free and roam and pi

　　My name is Canwen, and I play both the piano and the violin. 　　I aspire to some day be a doctor,and my favorite subject is calculus. 　　My mom and dad are tiger parents,who won't let me go to sleepov

The President blasts Republicans in the Senate who are blocking unemployment insurance and small business tax breaks to create jobs, even as they push for permanent, massive tax cuts for the richest A

Or here's a video that I made as part of my show "Crash Course," talking about World War I: 还有这个视频，是我的节目《速成班》中的一期，讲的是第一次世界大战： The immediate cause was of course the assassination in Sarajevo of the Aus

Hi, everybody. 大家好！ In this year of action, I'm doing everything I can, with or without Congress, to expand opportunity for more Americans. 在本年的施政纲领中，无论国会是否配合，我将尽我所能，我都将为更多人创造更多机会。 This week, I or