不知为何，他只觉得在这么多忙忙碌碌的市民中做一只懒狗是多么快乐。

He somehow could only feel how jolly it was to be the only idle dog among all these busy citizens.

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他惊讶地在镜子里看到了1000只快乐的狗。

To his surprise, he saw 1,000 happy dogs in the mirrors.

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研究人员发现，狗能够通过用鼻子触碰图片，来选择愤怒或快乐的面孔，其概率超过了人们对随机性的预期。

The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.

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Now, saying "Good dog" is not something your dog has been built, pre-wired, to find pleasurable.

然而，在天生的情况下“,狗狗并不能从“好狗狗“的话语中，获得快乐。

耶鲁公开课 - 心理学导论课程节选