Of course, this requires a solid understanding of the cost of a return, relative to the value of each product.

当然，这要求对一次退回成本的可靠的理解，会涉及到每个产品的价值。

youdao

You get a great deal of freedom in return for the cost of running your own site.

你做成了一笔不错的买卖，花钱运营自己的网站并以此换来自由。

youdao

Figure 3: Cost reduction, increased return.

图3：成本降低，利润增加。

youdao

That is, if you do at least 392 loads of laundry a year, live in one of 18 states where electricity costs are at or above the national average of 7.8 cents a kilowatt-hour and if your opportunity cost--the return you'd get by investing in something other than a more expensive washer--is 6% or less.

FORBES: When the National Nanny Does Your Laundry

Scooterman's prices aim to beat the cost of a return taxi ride - one to get home after a night drinking and a second to pick up your car the following day.

BBC: NEWS | UK | Wales | Scooter idea to cut drink-driving

But he got zero in four areas -- return on equity, cost efficiency, brand management and compliance.

CNN: Confident HSBC lifts dividend 50%