Singly linked lists are a powerful abstraction that allow you to represent numerous types of data.

单链表是让您可以描述多种类型数据的一种有效抽象。

youdao

When you start to think of your data as an abstraction of a database table, you would expect these types of basic operations to be available.

当你开始将数据当成是数据库表的抽象时，你就会希望那些对数据进行的各类基本操作都是现成的。

youdao

Well, the first part of the answer we've seen already: buckets are more than just data: they are an abstraction that unifies fundamentally different types of data.

好，答案的第一部分我们已经看到了：桶不仅只是数据：他们是一种在基础上统一不同类型数据的抽象。

youdao