He contends that most of what Americans now buy in supermarkets, fast food stores, and restaurants is not in fact food, and that a practical tip is to eat only those things that people of his grandmother's generation would have recognized as food.
他争辩道美国人在超级市场、速食店及餐馆中购买的实际上不是食物，一个又好又实用的建议是只吃那些自己祖母那一代人认为是食物的东西。