1. 成本估算
A costing is an estimate of all the costs involved in a project or a business venture.
e.g. We'll put together a proposal, including detailed costings, free of charge.
我们将免费拟一份提案,其中包括详细的成本估算。
名词成本核算; 成本计算
动词价钱为,花费(cost的现在分词)