The food guide pyramid was the government's effort, put through by the U.S. Department of Agriculture about what people should eat optimally.
食物金字塔是政府努力的结果,它是由美国农业部提出的,关于人们最佳饮食结构的建议
Now, let's talk about healthy diets and what kind of diets people might optimally eat.
我们再来谈谈健康饮食,以及最佳饮食结构
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