But in some parts of the class the distinction between nutrients and food is made quite distinct.

但是在我们的某些课程中,营养素与食物之间有明确的分水岭

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, both are foods, depending on your definition, but both are foods. Both have nutrients, both have things your body can make use of.

根据普遍的定义,两种都是食物,都是食物,都有营养素,都含有人类身体可吸收利用的物质

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Gives you energy,' okay. Yes, so that would be the nutrient part of it.

提供能量",好的,作为食物需要有营养价值

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

These then became the objects of trade, of commerce, and of course of human diets and these had nutritional implications for people in different parts of the world.

这些随后成为了交易品和商品,当然,也成为了人们的日常饮食,对于来自世界不同地方的人们,这些食物都是有营养方面的考虑的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But if you throw off the environment, in this case, the animal's biology, it's drive for certain nutrients is in concert with the food it has access to.

如果让它们换个环境,这种情况下,这些动物的生理特性,即它们有多少动力去获取某些营养元素,是与其食物源状态有关的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But again, the elements were harsh, finding food may not have been easy, and certain sorts of diets would prevail over others, where there would be a lot of certain nutrients and few of other ones.

可是,自然环境是恶劣的,寻找食物一点也不简单,不过某些食物相对其他更为常见些,其富含有某些营养成分,但缺乏其他的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选