What he would do with the ball during the game was not a primary concern.

That had been a primary concern then as it was now.

It's hard to know what the primary concerns will be 113 days from now.

But you've got to think security is the primary concern.

Air quality on and off the ground should be a primary concern to all of us.

But that is only a part of our primary concern.

Human factors, however, still seem to be his primary concern.

My primary concern had been with the line, not the individuals.

Today, our primary concern is no longer the legal freedom of women.

His primary concern now was making sure the test would work.