non-productive
/ˌnɒnprəˈdʌktɪv/adjective
1- not producing or able to produce goods, crops, or economic benefit (tending to be less forceful in meaning than unproductive)不生产的, 无出产的; 不产生经济效益的（语气比unproductive弱）。
1.1
- achieving little所获甚微的, 无收获的。
派生词