我们如何区分进步与良好进步?
但免疫系统如何区分感染和外伤?
But how does the immune system distinguish between an infection and trauma?
问题在于如何区分这两种交易。
So nutrition is really what people are eating; and that overlaps with the concept of diet, which is when people are making specific choices about what to eat, how do they partition their nutrients.
营养学研究的是人们吃的东西,及其与饮食概念的交叉学科,也就是人们决定吃什么之后,如何区分其中的营养素
The person who does that best is Michael Pollan, and when you read his book, In Defense of Food, he spends some time in the book defining what food is and working through this--this quagmire of how do we define food and what's acceptable to eat, what's socially acceptable, what's personally acceptable.
这一点上迈克尔·伯伦做得最好,你们可以看看他写的书《为食物辩护》,他在书中给食物下了定义,并深入地探讨了这个难题,即如何区分食物与能吃的东西,社会普遍接受的东西,个人能够接受的东西
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