And this is the puzzle faced by the psychology and cognitive science of language.

这也是心理学和语言认知学,所面临的难题

耶鲁公开课 - 心理学导论课程节选

This is the issue for Socrates, how to channel this wild and untamed passion of spirit or heart, how to channel this to some kind of common good.

这是苏格拉底面临的难题，如何引导,这野性不驯的精神或内心热情，如何将其引导至某种共同的良善。

耶鲁公开课 - 政治哲学导论课程节选

Another little pop quiz here, and these aren't trick questions necessarily, but if you had to guess what the bigger problem was in the developing world, so let's not just say outside the U.S.

我们再做一个小测试,这不是什么难题,你们猜猜,发展中国家面临最大的问题是什么,我们所说的不是美国以外的国家

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选