Even if they're given healthy food at the same time, they'll tend to ignore the healthy food and eat a diet like this.

即使同时给它们喂食健康食品,它们也会选择前者的食物,而不吃健康食品

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