Books in libraries are generally behind the times.
The books in the bookstore are relatively new, and there are not so many mites.
The books in the library are all bacteria and unsanitary.
Books in the bookstore provide subscription, inquiry and other services.
Most books in the library are used for reading through.
Take your time when you buy books from the bookstore. It is not enough to read good books again and again.
The reading time of books in the library is limited, and many things cannot be absorbed.