If you have a lot of knowledge and practical experience in your field but no diploma to show for it, life experience credits may give you some of the recognition you deserve.

你知识渊博，在你的专业领域有很多的实践经验，但是这些不能通过证书来反映。 生活经历学分会带给你一些你应得的荣誉。

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Universities, however, are meant to teach the theories of any particular field, not the practical knowledge needed to do our jobs.

然而，大学被认为是应该教授任何特定领域的理论知识，而不是教授工作所需的实践知识。

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Once the idea is demonstrated in one place by some other people in the field, that's a good solution. That's practical. Let me try that.

一旦同一领域的其他人证明了他们的想法,就说明这些是好的解决方法，这很实用，让我来试一试。

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All of this in a way is another way of saying or at least implying okay that political philosophy is an imminently practical discipline a practical field.

也就是说，无论从哪个层面来看,或隐指，政治哲学都是一门,迫切相关于实用的学科,一块实用的研究领域。

耶鲁公开课 - 政治哲学导论课程节选

In some countries, bamboozled bargain-hunters, abandoned in an obscure field as part of a giant practical joke, would probably turn furiously on their tormentors.

ECONOMIST: An ingenious satire on supermarkets has Czechs chuckling

This question, which at its more fundamental level is related to deep-seated epistemological and methodological controversies over objectivity in the social sciences, is of utmost practical relevance in the field of migration and multiculturalism which has been characterized by rather close relations to public policy concerns.

UNESCO: Social and Human Sciences

Last week, three big oil companies, including Chevron, said it could be practical to develop a massive oil field that is way deep below the waters the Gulf of Mexico.

NPR: Gulf Oil Discovery Could Have Far-Reaching Effect