The phrase "a main concern for" is correct and usable in written English.
It can be used when discussing an issue or topic that is of significant importance or priority to someone or a group.
Example: "Climate change is a main concern for many environmental activists who are advocating for immediate action."
Alternatives: "a primary issue for" or "a significant worry for".
Mr. Zapatero added that high unemployment continued to be a main concern for the government.
The economic sustainability of these small projects also remains a main concern for both the women and for small businesses like Sitat Byoot.
Susan Eckerly, senior vice president of federal public policy for the federation, said her group was concerned that the proposed measures could fail to contain the high costs of medical care, which she said was a main concern for small businesses.
Safety will be a main concern for the robot.
Water pollution is a main concern for production and represents a public health risk.
Preservation of residual hearing in cochlear implantation is a main concern for patients and otologists.
A main concern represents the main purpose for which the requirement was written.
Whether it's a dirty war, a world war, or a war against terror, the main concern for citizens who are not involved in the frontline should always be the welfare of other innocent citizens who may, through accidents of race or belief, be confused with the enemy.
In particular, a very small size of particles in dry form makes the product very dusty, and unusual nano-Se particle behaviour, once in the body, gives a warning with the main concern for feed mill workers' protection.
According to a recent survey, the main concern for Afghanistan's children aged 0-5 years is chronic malnutrition which still stands at a high 40.9%, but which was around 50% few years ago.
That is why, as China generates ever larger numbers of well-off consumers with a passion for gambling and a desire to travel, the main concern for the region's many new casino projects is not competition from each other; it is politics.
