The fiber intake is affected not only by what particular foods people pick but how much processing is done of the foods they have, where some of the fiber in foods is specifically processed out.

纤维素的摄入量,不仅取决于人们选择的食物,而且还要看食物的加工过程,有些纤维素在食物在加工过程中流失了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They want to know where it comes from, who grew it in some cases, how many miles it got transported, what was put on the food as it was being produced, what was given to the animals or injected into them as the beef was coming out, or the pork, or the chicken and these will be very interesting topics to discuss.

人们希望知道食物从何而来,由谁种植的,从多远的地方运过来,在加工过程中,在食物中添加了什么,人们看到牛肉,猪肉或鸡肉时,会想知道这些动物,都被注射了什么,这些话题讨论起来都会很有意思

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选