可归还的,可回答的,应交还的
Returnable \Re*turn"a*ble\, a. 1. Capable of, or admitting of, being returned. 2. (Law) Legally required to be returned, delivered, given, or rendered; as, a writ or precept returnable at a certain day; a verdict returnable to the court.
returnable adj : that may be returned; "returnable bottles and cans"; "this merchandise is returnable if you save the receipt" [ant: {nonreturnable}]