But you notice up here how close these levels are, so we are looking at very, very fine distinctions.

你能看到这些层有多接近，所以我们是在观察非常非常细微的差别。

麻省理工公开课 - 固态化学导论课程节选

Well, for instance, you could build machines that when babies suck on a pacifier they hear music or they hear language, and then you could look at how much they suck on the pacifier to determine what they like.

举例来说,你可以制造一个机器,每当婴儿吮吸奶嘴,他们就会听到音乐或是话语,然后你可通过观察婴儿有多喜欢吮吸奶嘴,来确定他们喜欢音乐还是话语

耶鲁公开课 - 心理学导论课程节选