be a matter of opinion

be a matter of opinion

To be a topic that is subject to one's preferences, as opposed to a verifiable fact. I know it's a matter of opinion, but I think that living in the city is more enjoyable than living in the suburbs.
See also: matter, of, opinion
Farlex Dictionary of Idioms.

be a matter of oˈpinion

be something which people disagree about: ‘She’s a great singer.’ ‘That’s a matter of opinion’ (= I do not agree).
See also: matter, of, opinion
Farlex Partner Idioms Dictionary
See also:
  • matter of opinion
  • matter of opinion, a
  • (one's) speed
  • speed
  • at (one's) doorstep
  • at doorstep
  • what (someone) eats doesn't make (one) fat
  • what (someone) eats doesn't make (one) poop
  • speak (one's) language
  • speak someone’s language