PREPOSITION➤on the borderline在界限上◇music on the borderline between sacred and secular介於宗教與世俗之間的音樂◇She's on the borderline between a first- and second-class honours degree. (BrE) 她既可被授予一等榮譽學位,亦可被授予二等榮譽學位。➤borderline between⋯之間的界限◇the borderline between myth and philosophy神話與哲學的分界線