This is...isn't this an example of kind of thing that... ? a socialist would refer to as market failure?

莫非这正好验证了。,社会主义者关于资本主义市场失效的理论？

斯坦福公开课 - 经济学课程节选

Now, you don't have to buy that and individuals undoubtedly found the strain too much from time to time, but what's interesting, is rather the ideal, the claim, the theory.

你不必非得接受这些理论,况且现代社会常充斥着个人主义倾向,但是那些理想,主张和理论却更意味深长

耶鲁公开课 - 古希腊历史简介课程节选