形容词
中文翻译：经济的
同义词：
['costly', 'frugal', 'prudent', 'thrifty', 'economic']
例句：
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1. The newcar is much more economical than the old one.
这辆新车比旧车更经济。
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2. She is very economical with her money.
她非常会理财。
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3.The economists believe that economical measures can help to reduce poverty.
经济学家认为，采取节约措施可以帮助减少贫困。