That might be families on low incomes, pregnant women, people with diabetes, or anyone on a restricted diet or one that involves cutting out whole food groups, such as vegans, vegetarians, or people with coeliac disease.

比如说低收入家、、糖尿病患，正进行限制性饮食的，不摄入某一类食物的，如纯素主义、素食主义患有乳糜泻的。