The use case of this project is a site that aggregates and provides knowledge to searchers. So people will have to pay for the platform to get the knowledge. How will you conduct cooperation with organizations or plan to advertise your project? If this project can be applied worldwide, it can bring huge profits.
The platform will be completely free, but will have options of knowledge monetization by monetizing informational products such as ebooks, webinars, conferences, online courses, inserting paywalls in published responses, etc.