7 wastage

wastage
n[U]
(a) amount that is wasted 损耗量
    You must allow for five per cent wastage in transit. 在运输中要允许有百分之五的损耗量.
(b) loss caused by waste 损耗; 耗损
    The retailer has to absorb the cost of wastage. 零售商须承受耗损的费用.
    natural wastage, ie loss of employees because they retire or move to other jobs and not through redundancy 自然减员(因雇员退休或离职造成的, 并非人为裁减).