Pottery is an art form that grew out of the daily needs of life.

VOA: special.2009.09.09

Now, daily values are established by the government, how much nutrients the typical person needs and then how much--what percentage of that a food provides.

每日建议摄取量是由政府制定的,代表普通人的日营养需求量,这里给出了该食物所能提供的百分比

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选