Relative to the whole market, It's well known that over periods of multiple decades the market has a tendency to go up.

是和整个市场相关的对吗，我们都知道经过几十年的时间周期,市场会有上涨的倾向。

麻省理工公开课 - 计算机科学及编程导论课程节选

Instead, he's known for the development of an encompassing theory of mind, one that he developed over the span of many decades.

相反，他却因为提出了极具包容性的,心理理论而闻名天下，这个理论是他通过数十年的研究才提出的。

耶鲁公开课 - 心理学导论课程节选

So now somebody can get an artificial hip and they can live for many decades with it and have almost full function of that hip over that period of time.

所以现在患者可以使用人造髋关节,再活上几十年,而且几乎和正常人没一点差别

耶鲁公开课 - 生物医学工程探索课程节选

The options are a very useful technology for managing risks and I think that we'll see a rapid--Over the next few decades, we'll see rapid expansion in the scope of options contracts traded on the exchanges.

期权是管理风险的,一个非常有用的技术,我认为在往后的几十年,交易市场上,我们将会看到期权合同的迅速发展

耶鲁公开课 - 金融市场课程节选

Nuclear power, for example, may be our salvation when we run out of oil--or virtually run out of oil-- it seems to be coming up over the next several decades-- we're going to have to do that, we're going to need nuclear power.

比如说核能,在石油资源枯竭,或快要枯竭的时候,也许再过几十年,这一天就会来临,核能可能成为我们的救世主,那时我们就需要核能源了

耶鲁公开课 - 金融市场课程节选

We've gotten, over the last two decades in particular, very sophisticated about taking pictures inside the body allowing doctors to look inside the body and predict things about our internal physiology that they couldn't predict just by looking at us or putting their hands on us.

特别是在近二十年当中,我们对体内造影已经十分熟悉,它使医生能够看到身体内部,并预测我们体内的生理变化,而仅仅是通过,视诊或者触诊是不能预测这些变化的

耶鲁公开课 - 生物医学工程探索课程节选