形容词
中文翻译：经济的
同义词：
['economical', 'frugal', 'prudent']
例句：
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1.The restaurant is economic, so it's not expensive.
这家餐馆经济实惠，所以不贵。
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2.He was frugal with his money and saved a lot of it.
他非常节俭，攒了很多钱。
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3.Prudent planning can help you save money in the long run.
谨慎规划可以帮助你长期省钱。