The data to be translated: Peking University has introduced Brainiac Buddy, an AI teaching assistant based on GPT-4, with the aim of providing an enhanced learning and teaching experience. Dong Bin, the project founder, boasts a rich background in mathematics and machine learning. For students, Brainiac Buddy can highlight key points in the curriculum, answer questions, and improve learning efficiency. For teachers, it assists in creating lesson plans, saving time and effort. This AI teaching assistant offers personalized, tailored learning experiences and is expected to transform traditional teaching methods, driving progress in the field of education.