In fact, no human activity more puzzlingly crosses the divide between nature and culture than the selection of food. it is part of the nurture of the body, but it is also very much a social matter.

• 其实在人类的行为中对食物的选择最令人费解地横跨自然与文化的界线，它既是人体自然天性的一部分，在很大程度上也是社会问题。