英 [ˌprefəˈrenʃ(ə)l] 美 [ˌprefəˈrenʃ(ə)l]
adj. 优先的，优待的，优惠的；（投票，选举）表明选择顺序的；（债权人）要求债务人优先偿还的
preferential /ˌprɛfəˈrɛnʃəl/ TEM8
形容词 If you get preferential treatment, you are treated better than other people and therefore have an advantage over them. 优等的
Firstborn sons received preferential treatment.
长子们受到了优等待遇。
manifesting partiality
preferential tariff rates ; preferential treatment ; a preferential shop gives priority or advantage to union members in hiring or promoting
同义词： discriminatory
优惠的-引用次数：74
参考来源我国企业年金税收优惠政策研究
优惠性-引用次数：33
Among them, non-preferential rules of origin because of their highly technical, the use of vast areas of the characteristics of the countries has gradually become an important tool for trade policy.
其中,非优惠性原产地规则因其技术性强、使用领域广阔的特点,逐渐成为各国实施贸易政策的重要工具。
参考来源中国非优惠性原产地规则的完善
优先的-引用次数：3
参考来源论《物权法》对银行信贷业务的影响
特惠的
优先
... 理论 theory 择优 alternative optimum; pick over; preferential 择优的 preferred ...
preferred 优先的；首选的
preferentially 优先地；优惠地
preference 偏爱，倾向；优先权
preferment 晋升；优先权；酶原
preferred 偏爱（prefer的过去分词）
[税收]优先的；选择的；[贸易]特惠的；先取的
Offering preferential treatment to wealthy countries.
向富裕国家提供优惠待遇。
Japan will remove five countries from a preferential framework in light of their economic development.
鉴于五个国家的经济发展情况，日本将把它们从优惠框架中剔除。
The government encourages this practice, and provides many preferential policies and facilitation measures for college students.
政府鼓励这种做法，并为大学生提供了许多优惠政策和便利措施。
She says on Monday, Australia,Canada,Korea, New Zealand,Singapore, and the United States agreed to simplify customs procedures for preferential trading partners.
VOA : standard.2009.11.09
Currency becomes a warehouse receipt for gold exempt from preferential claims, whether legal or governmental.
FORBES: The Grave Economic Consequences Of Money For Nothing
Since 1954, dividends have been subject to marginal taxation, with preferential treatment since 2003.
Doug McAvoy said the policy would create a two-tier system, with preferential funding for the few.