We introduced the concept of mental models in Chapter 2. Different people have different mental models of a given activity or process, but they rarely imagine them in terms of the detailed mechanics of how computers function.

• 在第2章中，我们介绍了心理模型的概念。 对于一个特定的活动或过程，不同的人们有不同的心理模型，但人们很少按照计算机如何行动的机制来想像自己的心理模型。