形容词
中文翻译：Unknown
同义词：
['preferable', 'preferable', 'advantageous']
例句：
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1. The company offers a preferential price for its new product.
该公司为其新产品提供优惠价格。
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2. The government provides preferential treatment to foreign investors.
政府对外国投资者提供优待。
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3. The airline offered a preferential fare for first-class passengers.
航空公司为头等舱乘客提供了优惠票价。