If this was tetanus, you got this tetanus vaccine when you were young; you get a boost every five or ten years because your antibody levels are starting to fall.

以破伤风为例,小时候,你接种过破伤风的疫苗,每隔五年或十年要再接种一次,这是因为体内的抗体浓度会下降

耶鲁公开课 - 生物医学工程探索课程节选

I think this is perfectly fair because young people like you get into a lot more accidents with your reefer and your alcohol and so it is-- now, some of you are saying "that's a stereotype."

我觉得这样很公平,因为像你们这样的年轻人经常出车祸,因为你们又吸大麻又喝酒,所以…,有些人会说“这是刻板印象”

耶鲁公开课 - 心理学导论课程节选