The phrase "a profitable system" is correct and usable in written English.
It can be used when discussing a system, process, or method that generates financial gain or benefits.
Example: "The company implemented a new strategy that proved to be a profitable system, significantly increasing their revenue."
Alternatives: "a lucrative system" or "a gainful system."
The first rail using steam engines was Kaiser-Franz-Ferdinands-Nordbahn opened in 1838, which became a very profitable system in the northern part of Austria.
This half-hearted legislation has been successfully characterized as nearly Stalinesque by the political right, despite actually being a minor tweak to a largely private and highly profitable system of health care.
Mr. Stewart describes the affiliate program as a sophisticated, automated and highly profitable system intended to efficiently infect millions of computers.
We show that simply employing a traditional incentive contract (which often ignores service delays) for the manager responsible for promoting a center's services will provide incorrect incentives and lead to a more congested and less profitable system.
Mr. Schreiber sucessfully converted the trolley company into a profitable bus system.
The functional neuroanatomy of the bat vocal motor pathway is basically identical to other mammals, but the acute significance of sensory feedback in echolocation has made this a profitable model system for studying general principles of sensorimotor integration with regard to vocalizing.
It is one of the most profitable systems in the world, with a high farebox recovery ratio of 186%.
Physiological principles applied to design more profitable systems, where the time dimension of production and profit is made explicit, are the core of a cropping intensification process.
You make it possible for that person to teach others, to build relationships, to create more profitable systems that improve the lives of everyone involved, in education, in health, and in a country's future.
