So this is one more example of stressing why I only want to come access to the instances through defined methods.

其他相关的值也会变化,我想要这些值会一起变化,这就是另外一个强调为什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

I think of data hiding as basically saying, one can only access instance values, or, we'll call them that, instance values through defined methods.

一个人仅仅可以访问实例变量，或者，我们可以这么来说，通过定义好的方法，来访问实例的变量。

麻省理工公开课 - 计算机科学及编程导论课程节选