If you forget to mention a prefix in any step, your expression will return nothing-an error for which it's difficult to track the cause.

如果有任何一个步骤忘记使用这个前缀，那么表达式不会返回任何内容，并且很难搞清楚究竟是哪一步出的错。

youdao

Return to step 3.

返回到第3步。

youdao

This step appears to be a normal procedure return to the client.

此步骤是返回到客户端的常规步骤。

youdao

"The good news from today is that one, he plans to return,two, he could return as early as this year, and three, he clearly has taken the first very visible step in the road to that return.

VOA: standard.2010.02.19

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

Elections are the necessary first step to return to Haiti sovereignty and to return to Haitians their real responsibility.

NPR: Haitians Protest Instability Ahead of Elections

America needs something like a 12-step recovery program to return its long-term 3.5% growth potential.

FORBES: America Needs a 12-Step Recovery Program

He could return as early as this year and he clearly has taken the first very visible step on the road to that return.

BBC: Golf world waits on Tiger Woods comeback after apology