So the environment has changed in a short time but evolution has not and there's a real mismatch now, which explains why you probably like Haagen-Dazs better than you like cauliflower.

所以食品环境在短时间内就能改变,但是进化不能 于是就有了错位,这也就能解释为什么哈根达斯,比菜花更受欢迎

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And so, the behaviorist manifesto would then be to develop a science without anything that's unobservable and instead use notions like stimulus and response and reinforcement and punishment and environment that refer to real world and tangible events.

因此，行为主义者的目标,是建立一门科学,将一切不可观测的事情都排除在外,取而代之的是应用,诸如刺激，反应，强化，惩罚,以及表示现实世界和客观事件的环境,之类的概念来进行研究。

耶鲁公开课 - 心理学导论课程节选