Employers did create maternity-leave programs in the 1970's and 1980's, but not as a purely voluntary response in the absence of any government mandate.

在20世纪70年代和80年代，雇主们的确设立了产假项目，但在没有任何政府强制的情况下，这并不是完全出于自愿的反应。

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Findings from several studies on corporate mergers and acquisitions during the 1970's and 1980's raise questions about why firms initiate and consummate such transactions.

20世纪70年代和80年代对公司合并和收购的几项研究的结果提出了这样一个问题：公司为什么要发起并完成这类交易？

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In the 1980's, however, Bakker's contention began to be questioned, as a number of scientists found growth rings in the bones of various dinosaurs that are much like those in modern reptiles.

然而，到了20世纪80年代，巴克的论点开始受到质疑，因为许多科学家在各种恐龙的骨骼中发现了与现代爬行动物相似的生长环。

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In the 1980's it could be about AIDS;

VOA: standard.2009.11.23

And we need not, we just make sure we can't do that So, go ahead, we've got you on number The 1980's and 1990's, this deal seemed to work.

这一点我们必须明确,那么。。。说吧，该给的数据我都说了,其实，八，九十年代那会儿，那个协议还是起过作用。

斯坦福公开课 - 经济学课程节选

Reagan was a big believer in free markets; we had a law that actually passed, it's called the Depository Institution's Deregulation and Monetary Control Act of 1980--that's actually before Reagan.

里根是自由市场的崇信者,那时其实通过了一项法律,称为,1980年存款机构放松管制和货币控制法案,该方案是在里根执政之前通过的

耶鲁公开课 - 金融市场课程节选