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

So the average person, average normal weight of a typical person might consume 2000 calories a day.

普通人,拥有平均体重的普通人,一天大概消耗二千卡

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Some words that are useful in this discussion, a 'host'. A host is the organism that you're interested in defending and it could be you or me or some typical person.

讨论中会用到一些词,宿主 宿主是,你对其免疫反应感兴趣的生物体,可以是你我,或者其他人

耶鲁公开课 - 生物医学工程探索课程节选

Now, daily values are established by the government, how much nutrients the typical person needs and then how much--what percentage of that a food provides.

每日建议摄取量是由政府制定的,代表普通人的日营养需求量,这里给出了该食物所能提供的百分比

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选