cost·li·ness
noun/ˈkɒstlinəs/
/ˈkɔːstlinəs/
[uncountable]- the fact of costing a lot of money, especially more than you want to pay
花钱多的；昂贵的；价钱高的 - the costliness of training new employees
培训新员工的成本
- the costliness of training new employees
- the fact of causing problems or the loss of something
引起困难的；造成损失的 - war's terrible costliness (= lots of people can die and be injured)
战争代价高昂（=很多人可能死亡和受伤）
- war's terrible costliness (= lots of people can die and be injured)