名词短语
中文翻译：最经济型等级
同义词：
['most economical type', 'most cost-effective grade']
例句：
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1.The company offers the most economical gradeof laptops for students.
该公司为学生提供最经济型的笔记本电脑。
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2. Thisproduct is designed to bethe most economical grade forconsumers.
该产品旨在成为消费者最经济的型号。
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3. In our industry, the most economical grade is often the one with thehighest quality.
在我们行业中，最经济的型号通常是质量最高的。