One is that 2,000 calories is the average for the typical person, but, of course, people have greatly differing calorie needs.

一是2000卡路里是常人所需的平均值,当然,人们需要的热量是大大不同的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You might believe some groups are unusually creative or intelligent.

你可能相信某些群体的人,具有异于常人的创意或智力。

耶鲁公开课 - 心理学导论课程节选

Seek fame, we all want that,and I'll say more about that, but you can't push it too far, there has to be some kind of a reasonable human limit to what you do.

功名利禄,世人所逐,但我想多说一句,凡事要有限度,也就是说,你的行为,该有某种合乎常人行为的界限

耶鲁公开课 - 古希腊历史简介课程节选

Your pancreas normally makes insulin.

常人的胰脏会分泌胰岛素

耶鲁公开课 - 生物医学工程探索课程节选