It doesn't matter.
That matter was decided by the Supreme Court.
No matter how often I tell her, she keeps making the same mistake.
Making light of cavities can be a matter of life and death.
He got tired of being the devil's advocate and now agrees with every idea they suggest, no matter how dumb.
So far as this matter is concerned, I am completely satisfied.
The millionaire insisted on acquiring the masterpiece no matter how much it cost.
I have a complicated matter I want to discuss with you.
In the matter of food and clothing, we are pretty well off.
How to deal with environmental pollution is a serious matter.
You say I should know him quite well, but as a matter of fact, I was introduced to him only last week.
Your joke is funny no matter how many times I hear it.
I was going to speak to his father about that matter, but thought better of it.
No matter what your profession, or how happy you may be in it, there are moments when you wish you had chosen some other career.
Morality is mostly a matter of how much temptation you can withstand.