"They have gone through the past month or so of very hard effort to reach the point where they can begin to consolidate and control ground that they have won so, by no means this is over yet.

VOA: standard.2009.07.27

And notice by the by, that when we make choices about our future, from the hedonist point of view, at least, there's no particular need to dwell a whole lot on the past, because what's done is done.

需要注意的是，当我们,为未来作选择时，起码享乐主义者认为，不必过分着眼于过去，因为过去的已经过去。

耶鲁公开课 - 死亡课程节选

We use this pattern to emphasize a point that has possibly been expressed in the past.

我们用这个句型来强调过去曾经表达过的一种观点。

That's what课堂 - SpeakingMax英语口语达人

"And you know, with us doing that we got back to this point and got past where we were last year and we are happy to be able to compete for a national championship on Monday night."

VOA: standard.2009.04.05

If this theory you might say of sort of cataclysmic change is true we cannot rule out the possibility that a constitution like ours or even identical to ours existed at some point in the ancient past in the far distant past that Aristotle knew about.

你们可能认为，如果这个理论,即剧烈变革的理论为真,我们就不能排除,像美国宪法,或相同于美国之其它现存宪法,早在远古。

耶鲁公开课 - 政治哲学导论课程节选

So this is an example of Biomedical Engineering, one that is well integrated into our society to the point that we've probably all got a picture like this somewhere in our past, and where we understand the physical principles that allow us to use it.

故而,这成为生物医学工程的一个实例,这类技术已经很好的融入了我们的社会,因为也许我们每个人都拍过,这样的X光片,正是因为我们懂得了,相应的物理学原理才能去运用这项技术

耶鲁公开课 - 生物医学工程探索课程节选