Metropolis: Please, Don't Buy Books

During the summer vacation of his senior year of high school, Chen Yue sold e-books on the online second-hand market. "Ding, the advanced mathematics transaction was successful!" Chen Yue had all the knowledge of advanced mathematics in his mind. "Ding, the ancient edition of Treatise on Febrile Diseases and Miscellaneous Diseases was successfully traded!" Chen Yue had another set of Chinese medicine knowledge in his mind. "Ding, the cuneiform rubbing plate transaction was successful!" "Ding, the Tathagata Divine Palm transaction was successful!" … Soon, Chen Yue became the number one seller on the list, selling dozens of books every second. Hearing the constant beeps, he was very depressed: "Please, don't buy any more books!" "Ding, Yongle Grand Ceremony transaction is successful!" … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.