costing
noun [ C often plural, U ] uk/ˈkɒs.tɪŋ/ us/ˈkɑː.stɪŋ/
成本计算，成本会计，成本核算
a calculation of the future cost of something such as a possible product
We'll need accurate costings before we can agree to fund the project. 在同意投资该方案前，我们需要精确的成本计算。