one-time purchaseOur editors are putting together more complete content — check back in about 20 minutesone-time purchaseone-time purchase — noun名詞1. a single payment for a product or service that never needs to be paid again1.名詞釋義a single payment for a product or service that never needs to be paid again例句This app is a one-time purchase, so you don't have to pay a monthly subscription.