The formula is straightforward but needs to be detailed: Take a given product's revenue and subtract what it costs to bring it to the customer.
虽然能直接明了地套用公式，但仍需要细化工作：拿既有产品的收入减去维护客户所需的成本。
2
The intent was to slow the growth of Medicare costs, but the result was a formula that has proposed cutting payments for America's doctors year after year after year.
其本意是想放缓医保支出的增长速度，但结果却使其成为一年一年又一年地降低医生薪资的方案。
3
It is used to devise the scientific and reasonable formula for users, and helps to increase the feed utilization efficiency and reduce the costs of feed production.