Khamenei asked Mr.Obama if what he called America's "hostility" towards the Iranian nation has really changed.

VOA: standard.2009.03.21

That's what has changed between these two positions.

这就是在这两个位置间所发生的变化。

耶鲁公开课 - 文学理论导论课程节选

SOHO has changed a lot recently. What do you think of that?

OHO最近变化很大，你对此有什么看法？

关于SOHO - SpeakingMax英语口语达人

"When you really look deeper at what the AU is doing and what is happening at the regional economic community level, though the progress has not been what we might have expected a number of years ago, it has changed, and it is a work in progress, and next year this time we might be talking about the next summit within a very different context if we are looking at the political leadership of the day,".

VOA: standard.2009.07.02

What has changed and what has remained essential?

有什么变了，又有什么还是不可缺少的？

普林斯顿公开课 - 人性课程节选

Well,De Gaulle has been dead for a very long time, and there has been progress, but what has not changed is still the power in Paris, in these ministries, to dictate the life of schools, of almost everything else.

戴高乐已经去世很久,在某些地方已经有所改进,但是巴黎的权利,政府各部门的权利仍未改变,他们规定校园生活,还有几乎其他任何事情

耶鲁公开课 - 1871年后的法国课程节选

If you were to say to me, what do you think is the most important thing, however you define thing, that has changed the character of life in the United States in the twentieth century, I would say the disappearance of farmers.

如果你问我,我认为什么才是,最重要的东西,你认为是什么,在二十世纪改变了,美国人的生活方式,我会说是农民退出了历史舞台

耶鲁公开课 - 古希腊历史简介课程节选

You can imagine that there are many requirements that a device like this has to meet in order for it to be a good artificial hip and we'll talk about those and how the design of these has changed over the years and what we can expect in the future.

你可以想象,这种装置对技术要求极高,这样它才能成为,一个好的人工髋关节,我们会讲到这些,以及这些年来这项技术的设计有哪些改进,在未来会有怎样的创新

耶鲁公开课 - 生物医学工程探索课程节选