Yevgeniy Dubovik says there is no point in dwelling on the past, because everyone knows about the famine anyway and life after collectivization was fine.

VOA: standard.2010.03.17

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

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

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