So this--the seeking out fat, sugar, and variety is a highly evolved, adaptive evolutionary trait.

脂肪,糖以及饮食的多样性的与,适应进化的特性是分不开的

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 first, you might say, well food is something that's found in nature, that humans have evolved to eat foods that are found in nature.

首先,你可能会说,食品是发现于自然界的东西,然后人类进化以适应食用这些自然之物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选