Only the principle of being just can free social sciences research from the manipulation of market and media logic, and can its external autonomy to other fields be guaranteed. The external autonomy can ensure the public nature of the standpoint of speech.

However, the application of multiple advanced technologies has complicated the process of distinguishing news facts. It is urgent for mainstream and social media to standardize the process of fact selection and truth clarification.

Chinese enterprises should beef up efforts in product research and development, technological innovation, market control and process optimization while performing social responsibilities like environmental protection to make the Belt and Road a highland for outward investments and realize high-quality, profitable and sustainable development.

Marxism integrated their theoretical criticism into social practice and production, not only creating the dimension of social production for literary and art criticism, but also breaking it away from literature and art alone and widening the scope for theoretical construction and criticism practice.