the one and onlyOur editors are putting together more complete content — check back in about 20 minutesthe one and onlythe one and only — noun名詞1. the only person or thing of a kind; unique.1.名詞釋義the only person or thing of a kind; unique.例句She is the one and only winner of the contest.2. a person who is special or unique to someone.2.名詞釋義a person who is special or unique to someone.例句You are my one and only.