基本解釋adj.有利益的；有報(bào)酬的；唯利是圖的同根派生 gainfulness相關(guān)詞英漢例句用作形容詞 (adj.)Are you in gainful employment?你有報(bào)酬的工作嗎?gainfulness更多例句專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)唯利是圖