So this is a general sense of what dietary guidelines of the United States are.
所以这个就是目前,美国饮食指导的大概状况
She was in Washington spending some time when the first food guide pyramid and dietary guidelines when being developed and she talks about that experience and how much impact the food industry had on this.
她曾在华盛顿待过一段时间,正值食物金字塔的最初版,和饮食指南被提出之时,她谈到了那段时期的一些相关经历,以及食品行业对该研究的影响有多大
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