定义
a cost: 价格、价值
The total cost of the repairs will be approximately 2,000 euros.所有修理费用总计约2000欧元。
The cost of living is high in Paris. 巴黎的生活成本很高。
Get him to sign the contract, no matter the cost. 不管付出多大代价，都要让他把合同签了。
a cost benefit analysis 成本效益分析
cost-effective 成本效益好的
to cost: 花费、估计成本
注意该动词为不规则动词：cost/cost/cost
How much does that sweater cost?那件毛衣多少钱？
- "The ticket cost $4000, Icarus!"
- "At the usual cost, of course."
- "Helen : Cryonic suspension of the whole body costs $200,000."
- "Steffi : Yes, the invoice states that each unit costs 29 dollars, however we agreed on a price of 31 dollars per unit."
- "Cost: Quite expensive"
- "Return ticket only cost £12."
- "Your ticket cost $4000."
- "For a small extra cost, passengers can choose to have some legroom and a seatbelt, and use the toilet facilities!"
- "Cost: Cheap as chips"
- "Operator : The total cost will be... $264.50."
