1. Copyright difference: The way to consult paper documents in the library is to go to the library to consult paper books, periodicals, newspapers and other documents. All the documents collected in the library can be consulted, which can avoid copyright problems. Digital literature retrieval in library refers to viewing electronic books, periodicals, papers and other documents through the digital literature database or electronic resource platform provided by the library. You need to have a library account and permissions.
2. Time difference: The library needs to go to the library to consult paper documents in person, which may take time and energy. Digital literature retrieval in the library can be accessed conveniently at home or in the office, which is both convenient and time-consuming.