economize
economise, v [I, Ipr]
~ (on sth) save (money, time, resources, etc); spend less than before; be economical 节省(金钱、 时间、 资源等); 紧缩开支; 节俭; 节约
Our electricity bills are higher than we can afford we must start to economize. 我们的电费已经高得付不起了--得节省些了.
economize on petrol 节省汽油.