unproductive
英 [ʌnprə'dʌktɪv]
美['ʌnprə'dʌktɪv]
- adj. 非生产性的；徒劳的；不毛的；不生产的
英英释意
- 1. not producing or capable of producing;
- "elimination of high-cost or unproductive industries"
- 2. not producing desired results;
- "the talks between labor and management were unproductive"