求翻译：The diet is a kind of substance exchange between human and nature, and also the natural result for human’s adaptation to natural conditions and transform. The so-called “ live in mountain so eat in mountain, live in water so eat water”, “one soil to support one person” is talking about adaption. China has great size an是什么意思？

待解决 悬赏分：1 - 离问题结束还有