Many digital libraries provide online access and have many different resources to choose from, including books, periodicals, newspapers, audio books, movies and so on. These digital libraries usually have different subscription fees or membership systems. Some resources are free, while others need to be paid to access. Therefore, the specific charges will depend on the digital library you use and the services it provides.
If you want to know the specific charges of digital libraries, we suggest that you go directly to the library in official website or contact their customer service department for more information.