为了节省开支，我们开始在家做饭而不是点外卖。

We started cooking at home instead of ordering takeout to practice ___economizing.

为了减少开支，我们开始在电力使用上更加节约。

We're ___economizing on electricity to cut down our expenses.

她在家庭预算中通过自己种菜来精打细算。

She's ___economizing in the household budget by growing her own vegetables.