I want to economize on daily expenses.

我想节省日常开支。

When parents have children, they will economize as much as possible.

当父母有了孩子，他们会尽可能减少开支。

The economic crisis has made more and more enterprises economize.

经济危机使得越来越多的企业节省开支。

You could economize on food by not eating in restaurants all the time.

你要是不总去饭店吃饭 就可以在吃上节省很多

We're going to have to economize from now on.

我们得从现在起节省开支。

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。

We must economize on water.

我们必须节约用水。

The power enterprises shall economize on water.

电力企业应当节约用水。