This one here is just for the first step, and that one here is for the second step.

这里的这一个只是第一步，那一个是第二步。

youdao

Let us discuss these problems one by one. (step by step).

让我们一个一个地(一步一步地)讨论这些问题。

youdao

Let us discuss these problems one by one. (step by step).

让我们一个一个地(一步一步地)讨论这些问题。

youdao