你得从中挑出一两个实践它。

You have to pick one or two and practice them.

youdao

不要空谈你的理论，你必须去实践它并检验它。

Don't prattle about your theory. You must practise it and prove it.

youdao

这些工具（JUnit 和 Eclipse 等）是免费的，只等您去实践它。

The tools (JUnit, Eclipse, and so on) are free, it only takes practice.

youdao

Should we turn this into a real project, or should we just keep monitoring it?

我们应该把它付诸实践吗，或者只是继续观察？

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Now, in practice, it depends on how good your measurement is.

在实践中，它取决于你的测量方法有多高明。

麻省理工公开课 - 热力学与动力学课程节选

At this level of abstraction, plainly there isn't all that much incentive to apply thinking of that kind, but on the other hand undoubtedly theory does exist for the most part to be applied.

就这门课程中理论的抽象程度而言，没必要把它,用于实践，但是在绝大多数情况下,理论无疑都是为了实践而存在。

耶鲁公开课 - 文学理论导论课程节选