They appear in food in pretty small amounts which is why they're the micronutrients;, but they're vital for health, so if you're deficient in micronutrients you've got big problems.

它们在食物中所占比重很小,这也是称它们为"微量元素"的原因,但它们对健康的意义却是至关重要的,如果缺乏微量元素的话会很糟糕

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Nature is a meaningless concept just like the lack of meaning within nature, where there's no culture until culture comes along and says, "Oh, not so much there is nature, but I'm terribly unhappy because before I came along, there was nature." Right?

自然是个没有意义的概念,正如自然之中意义的缺乏，自然中原本没有文明，直到文明走过来说，“哦，自然的存在并不算什么，我很不高兴的是因为,我来之前，这里就有自然了“，是吧？

耶鲁公开课 - 文学理论导论课程节选