现在把示例应用程序投入使用当中。

Now let's put the sample application to work.

youdao

一切都考虑了，你应该把它投入使用。

All things considered, you should put it into use.

youdao

我曾修过一条铁路，把它投入使用。

Once I Built a railroad, made it run.

youdao

我曾修过一条铁路，把它投入使用。

Once I Built a railroad, made it run.

youdao