costing的解释
n. 成本计算,生产费
costing的例句
He was walking to and fro swearing at the delay which was costing him so much money every minute.
他来回走动着，大骂这场延误事故，因为每耽误一分钟都在消耗他的钱财。

The shoes alone cost 100.
光是鞋就花了100英镑.