cost可数吗

cost在表示费用、损失、诉讼费时是可数名词，复数形式为costs、
例句：
Building costs have nosedived、
建筑费用猛跌下来。
Production costs began to spiral、
生产成本开始加速上涨。
Costs should be kept to a minimum
成本应保持在最低限度

The first priority is to cut costs、

首要任务是削减费用。

Costs are always rising、

费用总是不断地增加。

Costs overran the budget by about 30%、

花费超出了预算约30％。

The house costs a fortune to maintain、

维修这房子花费巨大。

The costs have increased substantially、

成本大大提高了。