The decisions had to be made. They were gut-wrenching, but absolutely necessary for Chrysler's survival,"

VOA: standard.2009.06.04

I think that's gut-level, hard-wired, evolved to solve prisoner's dilemmas.

这种感觉是根深蒂固的，经过进化而来的，帮我们解决囚徒困境的。

耶鲁公开课 - 心理学导论课程节选

Your gut's unable to function in the normal way, and so you get severe diarrhea.

使肠道不能正常工作,这时人就得了严重的腹泻

耶鲁公开课 - 生物医学工程探索课程节选