相关单词近義詞 profitable 有益的, productive 生産的, advantageous 有利的, beneficial 有利的, favorable 有利的, valuable 貴重的, fruitful 多産的, paid 已付錢的, lucrative 郃算的, rewarding 有報酧的, useful 有用的, remunerative 有報酧的, paying 支付的反義詞gainless, 無利可圖的臨近詞gains, gain, Gain generator, gaining stream, gain in weight, gainband merit, gain one's end, gain switching, gain one's way, gain-boosted, gain waveguide, gain crossover 返回 gainfulness