不过我在这要说的是，他没有说“我们库存单中的每一本图书”，也没有说“与我们合作的主要出版社目录上的每一本图书”、或者甚至是“每一本已经数字化的图书”。

I mean, he didn't say "every book in our inventory" or "every book in the catalogues of the major publishers that we work with." or even, "every book that has already been digitized."

youdao

此外，本系统还对图书的入库、图书发售等进销存业务，以及库存盘点业务提供了较为完善的管理机制。

Moreover the books operating flow management like entering and selling process and the management of the stock process are provide by the system well.

youdao

例如，考虑用来表示图书馆库存的类Library和类book之间的一对多关系。

For example, consider a one-to-many relationship between the class library and the class Book used to represent the inventory held by a library.

youdao