But the environmental waste expert concedes that for the time being, landfills are the only practical option.

VOA: standard.2010.08.05

But in practical purposes most of the time, they didn't-- they just mixed these together and they might use different things.

但实际上大多数情况下，她们并没有。。。,而是把财产混合在一起了。

耶鲁公开课 - 新约课程节选

Does it give you the answer that you expected it to give? Often, in practical problems, you'll spend just as much time doing performance debugging. Why is it slow?

它返回了期待中的结果了么？通常,在实际的问题中你会花，同样多的时间在性能调试上,它为什么运行这么慢？

麻省理工公开课 - 计算机科学及编程导论课程节选

I think it's terribly important to keep the distinction in the back of our minds even if we find it, in practical terms, well nigh impossible and possibly even in many contexts a waste of time to be perpetually enforcing it.

你们一定要牢记这个区别,这实在是太重要了，尽管有时我们发现在一些的文本中这种区别很微小,看上去不值得花时间去研究或使用。

耶鲁公开课 - 文学理论导论课程节选