And we're working to eliminate 'food deserts' so that folks have easy and affordable access to the foods they need right in their own neighborhoods."

VOA: special.2010.06.07

What did you learn about how easy or hard it is to keep track of what food intake is?

你从记录食物摄入过程中,学到了什么,记录饮食是难是易

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So it's very easy for people to exceed dietary recommendations given what the modern food supply is.

在现代食物供给下,人们很容易就超过了建议饮食标准

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But again, the elements were harsh, finding food may not have been easy, and certain sorts of diets would prevail over others, where there would be a lot of certain nutrients and few of other ones.

可是,自然环境是恶劣的,寻找食物一点也不简单,不过某些食物相对其他更为常见些,其富含有某些营养成分,但缺乏其他的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选