形容词
中文翻译：无生产力的
同义词：
['unproductive', 'ineffective', "unprofitable例句：1. The company's decision to invest in a new technology was nonproductive.（公司决定投资新技术的决定是无效的。）"]
例句：
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1. The company's decision to invest in a new technology was nonproductive.
公司决定投资新技术的决定是无效的。
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2.The research project was nonproductive because it did not yield any significant results.
这个研究项目是无效的，因为它没有产出任何重要结果。
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3. The manager's suggestion to increase efficiency was considered nonproductive by the team.
经理建议提高效率的建议被团队认为是无效的。