I've got to see him on a matter of importance.

Whether they take them or not is a matter of small importance.

She left her office number and asked for a return call on a matter of great importance.

To us, and particularly to you, young people, that is a matter of great importance.

This is a matter of great importance among both men and women.

I believe this to be a matter of great importance.

And was the solution a matter of the first importance?

We are talking about a matter of the greatest importance.

This is a matter of great importance to the British people.

"I asked you to meet me here to discuss a matter of very great importance."