pref·er·en·tial
adjective/ˌprefəˈrenʃl/
/ˌprefəˈrenʃl/
[only before noun]- giving an advantage to a particular person or group
优先的；优惠的；优待的 - Don't expect to get preferential treatment.
不要指望受到优待。 - Bank employees usually get preferential rates of interest.
银行员工通常可以获得优惠利率。
Oxford Collocations DictionaryPreferential is used with these nouns:- rate
- tariff
- treatment
- …
Word Originmid 19th cent.: from preference, on the pattern of differential. - Don't expect to get preferential treatment.