Well, that's because it's actually not a gross constituent unit in a semiotic system, right?
哈哈,这是因为,红灯不是这一符号系统的一个完整单元?
And so the food is a broader constituent of what we consume; the nutrient will be the pieces of the food that affect bodily function.
所以食物的概念要比吃的东西更加广泛,食物中的营养素影响着我们的人体机能
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