Best - (superlative of `great') getting the most favourable qualities; "the best film with the calendar year"; "the best solution"; "the best time for planting"; "wore his best suit" Both is okay, but (American here) I think "Something that best suits your needs" could well be the most common way https://holdengylrz.blogvivi.com/37688714/facts-about-legal-help-in-karachi-revealed