Just as a Web article on, say, aquariums, can have some of its words linked to definitions of fish terms, any and all words in a digitized book can be hyperlinked to other parts of other books.

• 就像网络上的一篇文章一样，比如说水族馆，就能够链接到于鱼类的定义。在电子书里的任何词汇也能超链接到其它书籍。