不研究过去就无法了解现在和未来。

You can't understand the present and future without looking at the past.

youdao

研究经营管理比研究过去的业绩得到的有用信息更多。

Studying the management will give you more useful information than yesterday’s performance.

youdao

那些研究过去的人们令我感到惊讶，同时整个历史对我无可奈何。

I am surprised that some people study the past when the whole of history strikes me as null and void.

youdao

There is another aspect of the way in which the New Criticism has been criticized for the last forty or fifty years which needs to be touched on.

新批评主义还在一个方面,受到看批评,在我们研究的过去的四五十年里。

耶鲁公开课 - 文学理论导论课程节选

Over the last five, ten years there's been some work done on this.

在过去五，十年里,有人做了一些有关笑的研究。

耶鲁公开课 - 心理学导论课程节选

We weren't going to be in a position to see that until we went through all the stuff we've been going over for the last couple of weeks.

我们处理了过去几周研究过的问题,才能搞清这个。

耶鲁公开课 - 死亡课程节选