preferentialist关税特惠主义者preferentialadj.优先的；优待的；特惠的preferential access line优先接入线preferential development优先发展preferential orientation优先定位,最佳取向preferential entitlement享受优惠的资格preferential treatment.优先的待遇preferential orieritation择优取向preferential rate deposit优利定期存款,优利存款preferential independence优先性独立preferential conformation优势构象preferential savings rate优惠存款利率