形容词
中文翻译：Unknown
同义词：
['preferable', 'preferable', 'advantageous']
例句：
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1. This policy is preferential to the previous one.
这项政策比之前的更优。
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2. The company offers preferential rates for its loyal customers.
该公司为忠诚客户提供优惠价格。
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3. The new product is more preferential than the old one.
新产品比旧产品更具有优势。