of or involving preference or partiality; constituting a favour or privilege 优先的;优待的;优惠的 preferential interest rates may be offered to employees. 员工可能得到较优惠的利率。 ■(of regulations or rates) favouring particular countries (条例,利率)最惠国待遇的 preferential trade terms. 最惠国贸易条款。 ■(of voting or an election) in which the voter puts candidates in order of preference (投票,选举)表明选择顺序的 ■(of a creditor) having a claim on the receipt of payment from a debtor which will be met before those of other creditors (债权人)要求债务人优先偿还的
派生 preferentially adverb 语源
mid 19th cent.: from preference, on the pattern of differential