最后的一步也是最难的。

This last step is also the hardest.

youdao

最后的一步是发生在过去十年里。

The final stage emerged only in the past decade.

youdao

在最后的一步之前你应该做什么呢？

What is the thing you'll need to do just before that step?

youdao

But we have one last step which is obviously merge the sorted halves.

现在还需要最后一步,很明显就是合并有序的两半。

哈佛公开课 - 计算机科学课程节选