People used to consume a relatively small percentage of their calories from beverages, but for a variety of reasons including marketing, the percentage of calories from other beverages other than things like milk has gone way up.

人们过去通过饮料摄入的热量,所占比例相对较少,但是由于很多原因,其中包括市场营销,除了牛奶这类饮品以外,其他饮料中的热量比例直线上升

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选