Number one, the basic structure is that you have a pointer and it points over to a pointee, but the pointer and pointee are separate and the common error is to set up a pointer but to forget to give it a pointee.

第一，基本结构是，你有一个,指向数据的指针，但是那个指针和数据,是分开的，通常错误是声明了一个指针,但是没有指向一个数据。

哈佛公开课 - 计算机科学课程节选

Now what you're seeing here then is the beginning of complex data structures.

现在你们学习到的是复杂数据结构的,一个开始，好消息是他们之间有一个。

麻省理工公开课 - 计算机科学及编程导论课程节选