African countries frequently have to wait for years, if not decades,for new medical products to trickle into their health systems.

VOA: special.2011.01.19

Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.

面向对象编程的概念，数据抽象的概念，都是40年前就有的老东西了。

麻省理工公开课 - 计算机科学及编程导论课程节选

It was not even like that three years ago, which I think is a really bad mistake.

三年前还不是这样，这次我觉得真的错得很离谱。

纽约的公共交通 - SpeakingMax英语口语达人

For example, the popular bobsleigh team from the island of Jamaica did not qualify for the Olympics four years ago.

VOA: special.2010.02.10

And not what we've got now, where you live after a mere drop of 50 or 80 or 100 years.

也不是现在的情况，活到50，80，百岁时就要死去。

耶鲁公开课 - 死亡课程节选

The scientist says this mission has been planned for many years, but he is not sure when it will happen.

VOA: special.2010.05.25

Alice is fifteen years old at the time, not an entirely unreasonable age for an actress or an amateur actress playing the maidenly but strong-headed Lady of Milton's mask.

当时爱丽丝，15岁，她的年龄完全不适合演弥尔顿所描绘的,沉稳而意志坚强的小姐。

耶鲁公开课 - 弥尔顿课程节选

Kristen Iversen says he did become rich, but not until they had been married for seven years and had two children.

VOA: special.2010.03.08

This was not just about today,tomorrow for the five years; they followed them through much of their lives.

这调查不只是今天，明天或五年内的事;,而是研究了他们的大半生。

哈佛公开课 - 幸福课课程节选

But those observations were made years ago and NASA scientists had not trusted the results without clear confirmation.

VOA: special.2009.09.30

But at the end of the day, and here's why we just went with binary and not decimal years ago, when you have one implement a computer with a physical device, it's actually really easy to represent the notion of on or off.

但是最终，之前我们采用二进制,而不是十进制，主要是因为当我们用一台实体机器运行计算机时，这实际上很容易用开或者关的概念来表示。

哈佛公开课 - 计算机科学课程节选

Mister Miller says that what matters most is not whether the rank of cities changes over the years.

VOA: special.2009.03.27

We set up--this is not a new idea, this goes back to China thousands of years ago, but it started to be widely done-- So you had a Civil Service exam that established your competence.

我们建立了，这不是什么新主意，可以追溯到几千年前的中国，但这次开始广泛地实施开来-,你得参加公务员考试来考核你的能力。

耶鲁公开课 - 金融市场课程节选

The way it filled up her worn money holder gave her a feeling of importance that she had not enjoyed for years.

VOA: special.2009.09.05

It used to be believed, and it's the sort of thing I would-- when I taught this course many years ago I would lecture on-- that neurons do not grow back once you lose them.

人们曾经相信,我在很多年前,教授这门课的时候,会告诉大家,一旦你的神经元受损,它们便无法恢复

耶鲁公开课 - 心理学导论课程节选

President Pierce agreed. Relations between the Mormons and the government did not improve in the next three years.

VOA: special.2009.06.04

So we are not going to do this Something will have to break within the next 20 years Are we getting our moneys worse for the healthcare that we get for those of us who are fortunate enough to get healthcare.

我们不会这样做,在之后的20年内,这个规则将被打破,对于我们这些,有医疗保障的幸运者,我们是不是因为医疗保障,所以没有很好的使用我们的钱。

普林斯顿公开课 - 国际座谈会课程节选

Within a few years, there was not enough grass for all the cattle, especially along the trails.

VOA: special.2010.03.18

m not that as optimistic in predicting how things would get wonderful in a couple of years.

嗯，我倒不是那么乐观，Well，，I’,觉得情态会转好,在未来几年时间里。

斯坦福公开课 - 经济学课程节选

But several years ago, Netflix officials decided they were not satisfied with the system for suggesting movies.

VOA: special.2009.09.25

This year, no, not really. Um, years past, I was in a Columbia Political Union,

今年没有，但是去年，我参加了哥伦比亚政治联盟，

写作课程比较难 - SpeakingMax英语口语达人

So it's a different class of resource not as easy to develop, and not even recognized as something worth pursuing, say,twenty years ago."

VOA: special.2009.10.23

And it is not until King David, 200 years later that, in fact, we will read about the capture of Jerusalem. Judges 1 gives a long list of the places from which the Canaanites were not expelled.

但那事实际上是在大卫王时，200年后，我们将读占领耶路撒冷，《士师记》第1章有长列表,列出了那些迦南人未被驱逐的地方。

耶鲁公开课 - 旧约导论课程节选

But celiac researcher Alessio Fasano says until recent years not much was known about the disease.

VOA: special.2010.11.16

Unlike most of you, Aristotle did not spend four years at the Platonic Academy.

但不像各位，亚里士多德在柏拉图的学院,并不只待四年。

耶鲁公开课 - 政治哲学导论课程节选

She published two books during these years, but did not earn much critical or popular recognition.

VOA: special.2010.06.06

Smallpox affected world history hundreds of years ago, and it was a disease that was common in Europe, but not common in the Americas until the Americas were colonized.

天花影响了几个世纪前的历史,这种病在欧洲很常见,但在美国不多见,直到美国成为殖民地

耶鲁公开课 - 生物医学工程探索课程节选

The Pittsburgh Pirates did not do well the first few years Clemente played on the team.

VOA: special.2010.04.11

So during those years, from 3 to 46, We believed that that part of his brain did not develop in the natural way, because it was deprived of the kind of stimuli to develop in the normal way.

因此，从他3岁到46岁的这些年里，我们认为这部分大脑,没有正常发育，因为没有正常情况下的那些刺激。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

a colleague of yours who for years and years you've not gotten along with.

你跟她已经是多年的同事，但总是相处不愉快。

I don't know 课堂 - SpeakingMax英语口语达人