You measure health and you measure a factor like diet, you measure other factors that might be related as well.

你衡量其健康及饮食,还有很多其他可能有关的因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Okay, so you guys have identified some of the key issues that make dietary assessment so difficult.

好的,大家指出了一些使饮食评估,变得很难的关键因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Changing the diet of populations is a pretty good idea and it's the kind of thing that could help individuals certainly lead healthier, happier lives, but also could change things like healthcare costs for a whole country, so these are big, big factors.

改变大众的饮食是个很好的想法,它不仅可以让人们过上更健康幸福的生活,还可以改变整个国家的医保费用,所以饮食是个非常非常重要的因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选