Yes, in American literature, the Lost Generation, represented by Ernest Hemmingway, and the Sir Age, represented by Gerald, were both works of the same period. They were both written between the 1920s and the 1940s. However, there were obvious differences between the Lost Generation and the Knight Age in terms of literary style, social background, and cultural background. The Lost Generation, Unemployment, Cultural Collapse, and Racism. They described the survival and psychological state of young people and discussed issues such as personal freedom, personality expression, and social change. Their works usually had a realistic and modernist style, as well as a deep concern and criticism of social reality. Their works in the Age of the Jazzman often depicted the lives, thoughts, and behaviors of the American cultural elites, and they explored issues in the fields of jazzman, literature, art, and music. Their works usually had romantic and jazz-style styles, as well as deep thoughts on human culture and history. Therefore, although the Lost Generation and the Knight Age were both literary works of the same period, there were significant differences in their social background, cultural background, and literary style.