"a matter on" implies: "a matter on The subject of" and thus can only be made use of when one can insert the phrase "The subject of" following the "on", although "a question about" can used right before nearly anything. Can we say "an disease /a affliction/ a position... is https://beststitchingunitinpakist60245.blazingblog.com/36483402/the-fact-about-hoodies-exporter-in-pakistan-that-no-one-is-suggesting