For example, if it's more convenient should you change the environment to make the unhealthy food less convenient and make healthy foods more convenient?

举例来说,如果是因为方便,那你改变外部环境,会使得健康食品比垃圾食品更容易获得吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Not only that, they've taught us what constitutes healthy food and unhealthy food.

不仅如此,它们还告诉了我们,健康食品和不健康食品的构成

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选