washing cost的意思|示意

Power should cost more when demand is high and less when it is low, giving people an incentive to run the washing machine in the middle of the night.

当需求大的时候，能源的价格就高，反之，需求小，价格就低，引导人们在物业使用洗衣机。

The company is offering the DVD below cost to lure you into the store, where it hopes to sell you a washing machine at a profit.

这家公司靠提供低于成本价的DVD诱惑你进去，在你进去之后他们可以卖给你一台洗衣机，这将有利可图。

Washing and drying full loads is also more cost-effective in terms of power and water consumption.

一次性洗好和烘干所有的衣服更加节能和节水。