情况包含了以下的用例：签名 > 搜索一本书 > 评审书的具体情况 > 向货架添加书籍 > 评审货架 > 为书籍付款。

The story includes the following use cases: sign in > search a book > view book detail > add book to cart > view cart > pay for the book.

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选择不同的链接来添加、更新或显示书籍的列表。

Select the different links to add, update, or display the list of books.

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REST API将允许第三方开发人员使用常规REST协定检索、添加、删除和更新该数据库中的书籍。

The REST API will allow third-party developers to retrieve, add, delete, and update books in this database using normal REST conventions.

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