Two steps forward, one step back.

3前进两步，后退一步 。

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But it's two steps forward, one step back.

可以说我们在向迈前进两步后又倒退了一步。

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For every two steps forward, it often feels we take one step back.

每向前迈两步，给人的感觉往往是还要往后退一步。

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But there's one more step they have to take before they're integrated back into the community.

但是在重新融入社会之前,还有一个步骤。

耶鲁公开课 - 旧约导论课程节选

Second thing we've got to worry about is, what's a basic step? All right, if I bury a whole lot of computation inside of something, I can say, wow, this program, you know, runs in one step. Unfortunately, that one step calls the Oracle at Delphi and gets an answer back. Maybe not quite what you want.

我们需要担心的第二件事情就是，什么该作为一个基本的步骤呢？,如果我把一大堆的计算过程放到里面，我可以说，噢，这个程序你知道的，一步就完成了，不幸的是,这一步可能要靠预言家才能得到答案,这可能跟你想要的结果不太相同吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well let's take a step back for a minute; that's one way of looking at Biomedical Engineering, by looking at sort of the things that you know about that have been the result of the work of biomedical engineers and talk more generally.

好的,话说回来,了解生物医学工程的一种方法就是,通过看一些你们熟悉的东西,它们同时也是,生物医学工程的研究成果,并对它们做一般意义上的讲解

耶鲁公开课 - 生物医学工程探索课程节选

This suggests that markets may settle into a pattern of two steps forward, one step back.

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But for every two steps forward James and his redemption take, he moves one step back.

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He thought he could bully me, but I don't remember taking one step back.

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