词汇	nigrous
释义	nigrous 🌏黑色的
随便看	cost-benefit evaluation cost benefit indicators cost-benefit method cost benefit model cost-benefit model cost-benefit philosophy cost benefit ratio cost-benefit ratio cost benefit relationship cost-benefit relationship cost benefit review group cost benefits cost-benefits cost benefit studies cost-benefit studies cost benefit study cost-benefit study cost-benefit trade-off cost benifit cost bill of material cost book cost-book cost-book company cost breakdown cost breakdown structure