This last spring, I experienced firsthand just how bad behavior on the field could get.

今年春天，我亲身体验了这种不良行为是如何在赛场上发生的。

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It is a tantalising possibility that this behavior could spread before our very eyes — over a field season or two — and that we could track that spread.

他补充说，“这种行为很有可能在一到两个季度内在我们眼前扩散，这样我们就可以跟踪扩散的过程了。”

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The more open country of the Gombe Stream Reserve is ideal for field study, though the behavior of apes living there might not be the same as that of apes in the dense forests.

虽然生活在这里的大猩猩的行为与生活在茂密雨林中的大猩猩或许不一样，但贡贝鸟兽自然保护区的大片空旷土地仍是野外研究的理想场所。

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And if something from the field of consulting in organizational behavior could contribute, that became part of the class, as much as I could fit in of course in one semester.

而如果一些有关组织行为学的咨询领域的东西有用，那也会成为本课程的一部分，只要能在一个学期内讲完。

哈佛公开课 - 幸福课课程节选

Yet other fiercely focused fans feel no hesitation at expressing their contempt and loathing for a remarkable athlete whose behavior on field and off exemplifies the values of hard work, fearlessness and concern for the downtrodden.

WSJ: Michael Medved: The Secrets of Tebow Hatred

But the issue is relatively new to the NFL. Commissioner Roger Goodell, who has levied major fines and suspensions against players for behavior off the field, wields the same power to punish owners.

WSJ: NFL Owners Making News Off the Field

Sadly, like most other disciplines involving human behavior, the field has taken an empirical, often commercialized turn so that now we study communications instrumentally, always with some discrete end in mind for every communicative act.

FORBES: How and Why To Cut Down on Communications