If Skinner kept the focus on rats and pigeons and dogs, he would not have the impact that he did but he argued that you could extend all of these notions to humans and to human behavior.

如果斯金纳只是研究老鼠鸽子或是狗，他就不会拥有如此巨大的有影响力了,但他宣称，这些概念是可以应用到,人类以及人类行为中去的。

耶鲁公开课 - 心理学导论课程节选

If it was a bearer note " if the note said I'll pay if it wasn't a unique object but just gold the note would say that this goldsmith will pay to the bearer so many ounces of gold.

如果这是一个不记名票据,如果上面写着：“我会付款的,如果上面写着的东西只是金子而不是特别的物品,那么票据上就会显示这个金匠,要给这个不记名者多少盎司的金子。

耶鲁公开课 - 金融市场课程节选