Their appearance changes endlessly with the light,the time of year, and the weather.

VOA: special.2009.10.07

There have been fundamental changes through time that make the role of the central bank evolve and change through time.

试图保持系统的稳定,随着时间的发展，基本的改变发生,使得中央银行的角色演变。

耶鲁公开课 - 金融市场课程节选

But if you think of the time span about 900 to 700 B.C., that is, when these changes are taking place.

但是如果你发现它发生在,大约公元前900年到700年之间时

耶鲁公开课 - 古希腊历史简介课程节选

After a long time, some of the rock changes to clay.

VOA: special.2009.09.14

The value of money changes through time because of inflation or deflation; yet, most of our debts are written in money terms.

货币的价值因时而异,那是因为存在通货膨胀和通货紧缩;,但是，我们大多数负债都以货币方式记录。

耶鲁公开课 - 金融市场课程节选

The G20,which includes major industrialized powers in the Group of Eight plus developing nations with significant economies such as China and India, agreed to a specific time line for deficit reduction, while giving governments flexibility to adjust the pace of changes based on their own situations.

VOA: standard.2010.06.27

Every time they're changing your hand is going down so chord changes may be the most powerful of all of these aspects of where the down beat is.

他们变化的时候你的手势都是向下的,所以在所有的途径当中通过和弦的变化,来判断重拍在哪儿可能是最有效的方法

耶鲁公开课 - 聆听音乐课程节选

Tanaka This is Tanaka who you just saw was the only one I found at the place when we were looking for someone for an interview. And she gave us this fascinating story of what is the life for a mother worrying about her daughter in this time of changes.

刚才你们看见的是,是我在采访时发现的唯一的人,她给我们讲述了一个,非常感人的故事,是关于母亲如何担心她女儿的。

麻省理工公开课 - 媒体、教育、市场课程节选

The amount of food available is striking, I mean in the period of time I was--since I was a child there are a lot of changes that have occurred, and I mentioned some of this in the last class-- but when I was a child you didn't have rows and rows of food at a drugstore.

现有粮食的数量是惊人的,当我还是小孩的时候,身边就发生了很多变化,我上节课曾提到过一些,在我小的时候,药店里还没有满货架的食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Your mortgage payment is constant through time but the fraction of it that goes to paying off principal versus interest changes through time and it just changes as dictated by this formula.

抵押贷款每月还款是固定的,但是其中本金和利息的比例关系,会随时间而改变,这是由这个公式所决定的

耶鲁公开课 - 金融市场课程节选