形容词
中文翻译：Unknown
同义词：
['economic', 'economical']
例句：
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1. The company's decision to cut costs was a wise one.
该公司决定削减成本是一个明智的决定。
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2. The new car is much more economical than the old one.
这款新车比旧款更经济。
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3. We need to be economical with our resources.
我们需要在资源上做到节约。