It's just humans tend to live " in a richer environment than rats."

只不过相较于老鼠,人类生活在刺激更加丰富的环境中罢了“

耶鲁公开课 - 心理学导论课程节选

we have a lot of stimulation in our lifestyles especially here in big cities like Los Angeles

我们的生活方式有很多刺激，特别是在洛杉矶这样的大城市，

瑜伽的魅力 - SpeakingMax英语口语达人

Last time, I invited you to think about life on the experience machine, where the scientists are busy stimulating your brain in such a way as to give you an exact replica, from the insides of what it would be like having identical experiences to the ones you would have if you were really doing-- well, whatever it is that's worth doing.

上节课，我要你们思考,体验机里的生活，科学家们用它刺激你的大脑,给你一份完美的体验复制品，从体验相同的经历,到体验在现实生活中-,值得做的事情。

耶鲁公开课 - 死亡课程节选