As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.

我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The ones that get talked about the most in terms of health, the one is sodium of course, because salt intake but the others are important for health as well and in some cases they're being consumed in large amounts and some in small amounts.

提到最多的和健康相关的矿物质,当然就是钠了,因为人每天都吃盐,但其它元素对健康也同样重要,某些情况下,矿物质的消耗量会很大,而在另一些情况下则很小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选