So that is really the design for the activity that we have been pursuing since dean done this convened educational technology task force in 1999.

这就是该活动的构思,自从1999年院长建设,教育技术队伍以来,我们一直在追求该目标。

麻省理工公开课 - 媒体、教育、市场课程节选

Whatever I'm writing about all the time and chapters rehashing since I have written so that's linguistic.

不论一直以来我在写什么,自从我开始写作，就一直寻求变化,语言因素是这种改变的动因。

麻省理工公开课 - 电影哲学课程节选

For decades, ever since the mile was timed, no one broke the four minute barrier.

数十年来，自从开始一英里跑计时以来，没有人突破四分钟界限。

哈佛公开课 - 幸福课课程节选

But then the U.S. crashed into a huge well actually it was as worldwide recession of 1981-2.This was the biggest recession since The Great Depression.

但是之后，美国卷进了一个巨大的,事实上，是个世界范围内的经济衰退,于1981-1982年，这是自从大萧条以来,最严重的一次经济衰退。

耶鲁公开课 - 金融市场课程节选

But first of all I wanna welcome you to the Inner Core and I want to say just by introduction how inspiring it has been to work with you over these last years since I've been here. You were part of the group that hired me and I thank you so much for that.

首先，我想欢迎您来到人性讲堂,我想说,仅仅为介绍之便,自从我来到普林斯顿大学以来,近年来跟您的合作是多么的激励人心,当初雇用我的小组里，您正是其中一员，非常感谢您。

普林斯顿公开课 - 人性课程节选

And everything that has happened since the new administration s how the administration as a whole sees it.

而自从奥巴马政府,上任以来,每件事都说明，indicates，that’,整个政府都是这样想的。

斯坦福公开课 - 经济学课程节选

What I looked at--and I have this on the website, I have a chart showing corporate profits taxes paid, as a fraction of corporate profits for the United States since 1929.

就我所观察...关于这点在网站上有说明,我有个图表展示了自从1929年以来,实缴企业所得税占公司利润的百分率

耶鲁公开课 - 金融市场课程节选

We don't have data on individual city basis but it really looks like the housing collapse price collapse--that we're going through now is on a magnitude not paralleled since The Great Depression of the 1930s.

我们没有每一个城市的数据,但是看起来似乎房价真的崩塌了,价格崩塌-现在我们正经历着,自从三十年代大萧条以来,史无前例的衰退。

耶鲁公开课 - 金融市场课程节选