If something is derivative, it is not the result of new ideas, but has been developed from or copies something else.缺乏独创性的;模仿的
specialized language a form of something, such as a word, made or developed from another form衍生物,派生物;派生词
specialized finance & economics a financial product such as an option (= the right to buy or sell something in the future) that has a value based on the value of another product, such as shares or bonds金融衍生产品
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