In contrast to packaged foods which now have standardized labeling of trans fat content, it is impossible for an individual to determine how much trans fat is present in restaurant meals. Mandated standardized labeling of all restaurant meals would be neither practical nor cost-efficient, given the ever-changing menus and diverse mixtures of ingredients of meals served in restaurants.
3． 个人无法评估餐馆食物中的反型脂肪成分。相对于将反型脂肪含量进行标准化标示的包装食品，消费者个人无法断定餐厅食品中究竟含有多少反型脂肪。在菜单不断推陈出新，食品成分不断变化组合的情况下，对所有的餐厅食品实施强制性的标准化标示既不现实，又不具成本效益。