Something that is economical does not require a lot of money to operate. For example, a car that only uses a small amount of petrol is economical.
近义词
cost-effective , inexpensive
反义词
uneconomical , expensive , wasteful
双语例句
例： plans to trade in their car for something smaller and more economical.
用他们的车抵价购买更小且更经济型轿车的计划。
例： the most economical method of extracting essential oils from plant materials.
从植物原料中提取精油的最经济方法。