作者进一步指明有学术外工作经验的教授能够"与时俱进"，提供更新更准确的招聘需求，这一点是学校里的就业指导老师们所不能比拟的。
A third benefit has to do with faculty research and publication in their areas of specialty.
Experience in the field can help a professor ferret out (=find out)cutting- edge and controversial issues——which might be appropriate subjects for research and publication. Moreover, practical experience can boost a professor's credibility as an expert in the field. For example, each year a certain sociology professor at my college combined teaching with undercover work investigating various cults. Not only did the students benefit from the many interesting stories this professor had to tell about his experiences, the professor's publications about cults catapulted him to international prominence as an expert on the subject, and justifiably so.
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