pref·er·en·tial /ˌprɛfəˈrɛn(t)ʃəl/
(a.)先取的,優先的,選擇的
Pref·er·en·tial a. Giving, indicating, or having a preference or precedence; as, a preferential claim; preferential shares.
◄ ►
preferential
adj : manifesting partiality; "a discriminatory tax";
"preferential tariff rates"; "preferential treatment";
"a preferential shop gives priority or advantage to
union members in hiring or promoting" [syn: discriminatory]