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n.义务，责任；证券，契约；债务；恩惠 变形： 复数：obligations 双语释义：n.(名词)[U][C]义务,责任 a condition or influence that makes it necessary for sb to do sth; a duty英英释义： obligation[ ,ɔbli'ɡeiʃən ]n.the social force that binds you to the courses of action demanded by that force"every
