Wikibooks is a collection of free content textbooks and annotated texts that anyone can edit.
Wikibooks是一个免费教科书和注释文本集合，任何人都可以进行编辑。
2
The obvious expansion of an encyclopedia article is to a full book on the topic, and this is the domain of Wikibooks.
对百科全书文章进行的最大扩展就是将它的主题变成一本完整的书籍，而这正是Wikibooks的领域。
3
Wikibooks hosts the textbooks and also supports collaborative community development, with Outlines of Wiki pages getting expanded piecemeal into full books.