There's of course the queue guy but we survey students throughout the term and we asked them a matter of fact what should we communicate to this semester's student body.

也询问了在我身后排队的同学,我们整个学期都在学生中做调查,我们问他们,应该如何跟下一届的全体同学沟通。

哈佛公开课 - 计算机科学课程节选

Now the people in this poll were asked the same question and here's what they said, so 75% said that one reason is that it's more convenient, it's what people like to eat, it's heavily advertised, it's more affordable, people may not know which foods are healthy.

在这个调查中人们也被问到了这个问题,我们来看看他们的答案,75%的人说选择垃圾食品是因为更方便,合乎口味,广告的大力宣传,更便宜,人们可能并不知道哪些食物才是健康的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选