Xinhua Bookstore bought a book and took it into the library to read. When going out, the library issued an alarm. How to solve it?
This is because the bookstore has not degaussed. Show me the shopping receipt, or see if the book is stamped. And the books in the library should have labels, seals and so on. It is obviously different from the books in the bookstore and can be explained clearly. However, the best way is to give it to the librarian first to avoid misunderstanding.