Group 1 - The article discusses the traditional practice of "combined criticism" in Chinese literary criticism, tracing its evolution from the Wei-Jin period to the Tang-Song era, highlighting how it shapes aesthetic judgments and contributes to literary history [2] - The work of young scholar Wang Haihan redefines the relationship between Lu Xun and Zhou Zuoren, presenting them as a "literary community" during the May Fourth Movement, focusing on their shared cultural practices rather than their differences [3][4] - The author emphasizes a methodology of "harmony in difference," arguing that the commonality of the "Li Ren" concept among Lu Xun and Zhou Zuoren serves as a foundation for their literary practices, which can be analyzed through their collaborative efforts in the journal "New Youth" [4][5] Group 2 - The book traces the establishment and collaborative division of labor within the Zhou brothers' literary community during the May Fourth period, examining how the "Li Ren" concept evolved into a cultural project reflected in their stylistic choices and rhetorical strategies [5][6] - The author critiques mainstream literary interpretations that focus solely on content or form, advocating for a return to the artists' perspectives and their conscious stylistic practices, which address social and ideological issues [6] - The methodology employed in the book opens new avenues for studying the Zhou brothers and the historical context of May Fourth literature, while also acknowledging the potential risks of hindsight in historical narratives [8]