自1972年开始的这一模型，也在大量的管理学和领导力书籍中被引用。

The model, dating from 1972, is also referenced in numerous management and leadership books.

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试着建立一个拥有一定数量书架的简单图书馆系统的模型，每一个书架拥有一些按其名字排序的书籍。

Try to model a simple Library system that has a number of shelves, and each shelf has a number of books that are arranged in a sorted order based on their title.

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list 和 sorted lists可被用作储存一些信息，您可以把它们建立为通用类型的模型并用作储存相关信息（书籍）。

Since list and sorted lists can be used to store any object, you will model them as generics and instantiate them to store specific objects (books).

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