PROMO: "This season on 'Who Do You Think You Are?' seven of the world's most beloved celebrities will embark on life-altering journeys into their family history."

VOA: special.2010.06.28

If you look at the history of U.S. Taxes, the very simple history is World War One and World War Two.

如果你看一下美国税收历史，里面提到了一个典型的时期,就是一次世界大战和二次世界大战的时候。

耶鲁公开课 - 金融市场课程节选

What you find when you actually open up Pynchon's novels is an incredibly rich world of human detritus, of history.

当你真正看Pynchon的书,你能够发现一个难以置信的。

耶鲁公开课 - 1945年后的美国小说课程节选

Military history experts continue to study General MacArthur's decisions during World War Two.

VOA: special.2009.05.24

That's the history of the world; the whole human race has spent the bulk of its time farming.

那就是这个世界的历史事实,全人类花费了大量的时间,用在了农耕上

耶鲁公开课 - 古希腊历史简介课程节选

While much attention is being paid to South Africa as the host of Africa's first World Cup, the nation also made history International AIDS Conference.

VOA: standard.2010.05.17

Well, smallpox affected world history, it's--just as HIV infection is affecting world history now.

天花影响了世界历史,正如艾滋病现在正在影响世界历史

耶鲁公开课 - 生物医学工程探索课程节选

You can see that residential investment, as a fraction of GDP, has been very variable through history of the United States since World War II and that it's had a strong relationship with recessions.

住宅投资要计入,国内生产总值,纵观美国自二战以来,这部分投资,变动很大,而且与衰退存在着密切关联

耶鲁公开课 - 金融市场课程节选