Costen.科斯特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Cost of project工程造价costochondritis肋软骨炎cost of capital资本成本cost proportion占比cost of repairs修理费,修理成本cost neutrality不增加成本cost comparison费用比较,成本比较cost unit price成本单价cost government造价管理cost-recovery成本补偿