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小测验：选择正确的单词
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gainfulness
基本释义
- [ gainfully ]的相关名词;[ gainful ]的相关名词
英英解释
1个名词解释
- the quality of affording gain or benefit or profit
[同] gainfulness, lucrativeness, profitability, profitableness
[反] unprofitability, unprofitableness
- the quality of affording gain or benefit or profit