It consists of three parts: fixed access cost, usage cost, congestion cost.

该定价策略由三部分构成：固定连接费、资源使用费及网络拥塞费。

youdao

Efficiency is high, usage cost is low, operation upkeep is simple, operation is reliable.

效率高、使用成本低、操作维护简单，运行可靠。

youdao

But the high-voltage oxygen cabin devotion is big, the usage cost is high, and suffer the restrict of various factors.

但高压氧舱投入大、使用成本高，并受多种因素的限制。

youdao

My vaporetto ticket for 72 hours usage cost 36 euros.

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When coupled with analytics software, an enterprise is in a better position to reallocate resources based on energy cost and usage patterns.

FORBES: Research Summary: Enterprise Energy & Carbon Management Solutions

Also joining this band of worthwhile purchases are newcomers such as digital radios and shredders, where the cost and usage work out to the advantage of the buyer.

BBC: NEWS | UK | Magazine | The economics of ice cream