Costusn.闭鞘姜属costn.费用；成本；代价；[律]诉讼费用v.花费；使付出；使做不愉快的事；估算成本Costellipitar manillaen.马尼拉条纹卵蛤cost calculate methods成本计算方法cost escalation clause伸缩条款cost accounting system[经] 成本会计制度cost insulting company咨询企业cost control mechanism成本控制机制cost- efficient city节约型城市cost of power projects工程造价Cost - effectiveness成本-效果cost oriented strategy成本领先战略