| 释义 |
DEFINITIVE EXAMPLES 权威例句〔SPEND MONEY OR TIME|花钱/时间〕Families on low incomes are having to economize on food and heating costs. 低收入家庭只能在食物和暖气装置方面省钱。朗文写作活用〔pay for itself〕You save so much on heating costs with our high-quality windows that the windows will pay for themselves within five years! 使用我们的优质窗户，你可以节省大量供暖费用，五年内就可以收回成本。韦氏高阶〔weatherize〕You can reduce your heating costs by up to 30 percent by weatherizing your home.通过增强房屋御寒性能，供暖的开支可以减少30%。剑桥高阶 |