vi.&vt.节省,减少开支,有效地利用
I'd rather economize on clothes than food.
我情愿节衣不愿缩食.
Old people often try to economize on heating, thus endangering their health.
老年人常常想方设法节约用暖气,结果损害了他们的健康。
We must economize on fuel.
我们必须节约燃料.