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.
比如说家庭、孕妇、糖尿病患者,或者正进行限制性饮食的人,或者不一类食物的人,如纯素主义者、素食主义者或患有乳糜泻的人。