国内费用 meaning in English

domestic costs
internal charges

A conventional craniotomy in china now costs at most rmb several thousands . however , a conventional craniotomy has to entail other fees , such as , medicine fees , check fees , hospitalization fees , nursing fees , nutrition fees and a considerable sum of fees due to loss of work for a long time after operation
实施开颅手术，目前国内费用不超过几千元，但开颅手术同时还必须支付许多其它的费用，如药费检查费住院费护理费康复期间的营养费等，此外还有较长时间误工的费用，综合起来，就是一笔不小的支出。