联合国教科文组织总干事博科娃在2017年世界海洋日上的致辞。（中英双语） Message from Ms. Irina Bokova, Director-General of UNESCO, on the Occasion of World Oceans Day 联合国教科文组织总干事伊琳娜·博科娃女士在世界海洋日的致辞 Our Ocean, Our Future 我们的海洋，我们的未来 8 Ju

THE VICE PRESIDENT: Thank you very much. I’m Joe Biden -- I’ll Jill Biden’s husband -- (laughter) -- which is how I’m getting to be known around here. You’re about to --

I'd like to reimagine education. The last year has seen the invention of a new four-letter word. 我想要重新定义教育。去年出现了一个新的四字单词。 It starts with an M. MOOC: massive open online courses. 以M开头的缩写词MOOC：大规模网络公开课。

So, just random contract jobs until 所以，我一直在打零工 I discovered this company called Odeo, 直到我找到了一家叫奥德奥的公司 which was run by Evan Williams. 它是埃文·威廉姆斯经营的 Biz Stone was joining in a few months. 比孜·斯通几个月后也加入了进

罗斯福总统内务部部长1941年面对纳粹德国的侵略发表演讲美国人代表什么？ What is an American ? Harold IckesMay 18, 1941 This remarkable speech was delivered during an "I am an American" day meeting in New York's Central Park b