What's the next step [move]

下一步怎么办?

He was asking about the next step.

他在问下一步怎么做。

If that worked, we should say hooray! If not, we will soldier on to the next step.

如果成功了，我们应该说万岁！如果没有，我们将坚持到下一步。

Even without understanding all that this file does, you can anticipate the next step.

即使不能理解这个文件所做的一切，您也可以预期下一步。

Now Chicago's waste water was draining into the Chicago River, the city's next step was to clean the polluted river.

现在芝加哥的废水正在排入芝加哥河，该城市的下一步是清理被污染的河流。