艺术和文学是保存和记载得最为完善的一种资源，它们能使我们与过去实际发生过的事情直接联系起来。

The arts and literature are one of the most well-preserved and documented resources that can give us a direct link into what actually happened in the past.

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在过去的一年里，实际工资成本增加了10%。

Real wage costs have risen by 10% in the past year.

《牛津词典》

加州大学河滨分校的教授朱迪思·克罗尔表示：“在过去20年左右的时间里，对双语的研究实际上出现了爆炸式增长。”

"In the last 20 years or so, there's been a virtual explosion of research on bilingualism," says Judith Kroll, a professor at the University of California, Riverside.

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Look what the housing--the blue line shows what home prices in real terms have done in Los Angeles over the last thirty years.

看看房地产的情况...那条蓝线,显示了在过去30年中以实际价格计算的,洛杉矶房屋价格走势

耶鲁公开课 - 金融市场课程节选