v.1.更经济地使用[处理]
2.节约,省吃俭用
例句：From about the middle of the Eighteenth Century the improvement in agricultural technique began to make it possible to economize in labour.自十八世纪中叶前后起,由于农业技术的改进,节约劳动力开始成为可能.
I don't know where all the money goes on.I try to economize,but it just seems to evaporate.我不知道钱都花到哪里去了.我尽量节约,但是钱似乎阴干了.
Economize a great deal of telephone expenses for you.为您大幅节约了电话费.
第31课的吧,我也在学~