árszínvonalkülönbségeket
árszínvonalkül is a term that appears to be a misspelling or a non-standard term. It is possible it is a typographical error for a Hungarian word or phrase. Hungarian grammar and word formation can create long, complex words. Without further context or clarification, a precise definition is not possible.
If the intended term relates to a specific field or concept, providing more information would be necessary.
Investigating potential misspellings of common Hungarian words could also be a path to understanding. However, without