Please respect the intellectual property right, and use authorized textbooks. Book piracy is not allowed. Usage past its expiration date, usage of teaching materials without acquiring legal authorization, and public transmission and usage of the trial version of teaching materials all constitute the violation of authors’ copyright. Those who violate authors’ copyright will be faced with criminal responsibility, be sentenced to short-term imprisonment, and be assessed a fine. Please do not violate the law.
The Campus Copyright Treasure Box provides faculty and students with information on the reasonable use of copyright: Link