But this practice of informed consent is relatively new.

这种“知情同意”实行起来相对地有新意。

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The idea behind a lunch hour was that it gave one time for rest, sustenance, and renewal. But this practice has disappeared from many workplaces.

午餐一小时的想法是这样的，这一小时提供休息、恢复的时间，但是实际上，这种实践已经消失在了许多工作间。

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Linguistic information is usually represented in symbolic form, but this practice makes it difficult to account for the processes of speaking and understanding.

语言信息一般表征为符号形式，但是如此表征难以表述发话和理解过程。

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But this practice of informed consent is relatively new.

VOA: special.2010.07.21

In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.

事实上，一些很老的书籍上,平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。

麻省理工公开课 - 固态化学导论课程节选

But practice this, because it's something that's such an easy way to ask such a variety of questions.

但是你仍然需要好好练习，因为这个简单的用法能够提出各种各样的问题。

Where 课堂 - SpeakingMax英语口语达人

But this practice is unlikely to endure now that BHP has abandoned the deal.

ECONOMIST: BHP Billiton ends its pursuit of Rio Tinto

Federally funded scientists can also derive stem cells, after informed consent, from aborted fetuses, but this practice is not without controversy.

CNN: NIH publishes draft guidelines for stem cell research

PwC and other companies have figured out how to use personal branding to reach their own goals, but this practice can also benefit any of us looking for our next job.

FORBES: Personal Branding in the Future Workplace: A Crucial Skill for Employees and Recruiters Alike