Firefighters are also working to protect the century-old Mount Wilson Observatory, where astronomer Edwin Hubble made important discoveries in the 1920s.

VOA: standard.2009.09.01

It was the defining experience of the twentieth century, and the violence of the war continues into the 1920s and '30s.

这是20世纪人们所具有的共同经历,战争的暴力持续到1920年代和30年代

耶鲁公开课 - 1871年后的法国课程节选

They also had--they were--back then, in the 1920s, they were called balloon payment.

上世纪20年代有一种,称为期末大额偿还的贷款方式

耶鲁公开课 - 金融市场课程节选

Kucinich says science has evolved since the 1920s when primates were first used for experimentation.

VOA: standard.2010.02.16

In the 1920s, things changed because the telephone first became widely spread.

在20世纪20年代,随着电话的普及,情况发生了改变

耶鲁公开课 - 金融市场课程节选

Over the boom period, we've been seeing a gradual uptrend; just as loan to value ratios were only 60% in the 1920s, now they're up to 90% or 100%.

在繁荣时期可看到一个逐渐上升趋势,上世纪20年代贷款价值比率只有60%,现在飞升至90%或100%

耶鲁公开课 - 金融市场课程节选

In the 1920s, a lot of bogus stuff was sold -a lot of people were cheated -so after the stock market crash of 1929, it led to a movement for regulation.

在上世纪20年代,很多不合规的股票流入市场,很多人受骗,所以1929年的股市大崩盘,促使政府采取了一系列加强金融监管的行动

耶鲁公开课 - 金融市场课程节选

He said, I'm trying to remember where I got the idea and, he said, I think it probably came from some of our coffee hours at The London School of Economics in the 1920s.

他写到,我尽我所能,追忆当初如何得到的这个概念,也许是20年代,在伦敦政治经济学院,这个概念源于一次咖啡时间

耶鲁公开课 - 金融市场课程节选