In addition to public libraries, there are also private libraries opened by themselves, which need to be profitable. It is run by individuals. Its profit model is generally based on library cards and part of book sales income.
If it's a personal library, it will charge you immediately, and it will cost you an hour to go in and study. If you borrow books here, he will give you a library card, which can be a month, a year or several quarters. The cost of these library cards is one of the sources of income for the library.
Extended data
No matter whether it is a public library or a private library, people go to the library to learn more knowledge and have a quiet learning environment.
Reading in the library is very easy to get into the state because the surrounding environment is very suitable for reading. If you are in other cafes or in your own home, you can't reach this reading atmosphere.