If one publisher can "have" multiple books in this way, it's called a one-to-many relation.
如果一个出版商可以通过这种方式“持有”多本书籍，就称之为一对多关系。
2
On the other hand, if one author can have multiple books, and one book can also have multiple authors, it's called a many-to-many relation.
另一方面，如果一个作者拥有多本书籍，一本书又有多个作者，就称为多对多关系。
3
Normally, a one-to-onerelation is found between a binding provider and an XML schema file which contains a few schema types for the custom binders to manage.