Even they had to go into a role, just like in Zimbardo, they had to play their role of 1959 as if they were 20 years younger.

就算他们要进入角色，和Zimbardo的实验一样，要扮演1959年时的角色，仿佛年轻了20岁。

哈佛公开课 - 幸福课课程节选

She goes here, she's a fourth year. She's three years younger than me.

她在这儿读书，大四了。她比我小三岁。

我们是校园情侣 - SpeakingMax英语口语达人