Some talk of Alexander IN THE western Balkans it is one step forwards, two steps back.

亚历山大大帝当年在西巴尔干之战时曾谓之 “进一步，退二步”。

youdao

In fact, you may find yourself taking two steps forward and one step back.

事实上，你可能会发现每当自己往前走了两补后就会倒退一步。

youdao

Note that my process wasn't this linear. In fact it was quite messy, sometimes moving two steps forward and one step back.

请注意我经历的这个过程并非那么清楚明了，事实上，这个过程相当混乱，有时候前进两步，有时候又退后一步。

youdao

So this line or these lines of code up here are arguably constant time steps to say if N is less than 2 in return, that it will always take maybe one step, maybe two steps, some number of fixed CPU cycles.

如果N小于2并返回,那么这些行所对应的代码,通常只需要执行一步，或者两步，具体数字与CPU周期有关。

哈佛公开课 - 计算机科学课程节选

There are going to be occasions where you take one step forward and two steps back -- sometimes you take two steps forward and one step back.

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"One step forward two steps back, that's kind of what's happening, " manager John Gibbons said.

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"We may have taken one step back having taken two steps forward, " said his lawyer, Clare Montgomery QC.

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