形容词中文翻译
中文翻译：无生产力的
同义词：
['ineffective', 'inefficient', 'useless', 'fruitless']
例句：
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1. The company's decision to invest in new technology was unproductive.
公司决定投资新技术是无效的。
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2. The research project was unproductive because it lacked focus.
这个研究项目是无效的，因为它缺乏焦点。
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3. The farmer's efforts were unproductive as the weather conditions were not favorable.
农民的努力是无效的，因为天气条件不利。