Definition from macmillandictionary.com
Why should it matter that he’s a little overweight?
It doesn’t really matter if we’re a bit late.
Does it matter if I don’t take a present?
‘I’ve forgotten my swimming stuff.’ ‘It doesn’t matter – you can borrow these.’
I don’t think it matters that he hasn’t got a degree.
It doesn’t matter how you look at it: the problem remains the same.