If you get preferential treatment, you are treated better than other people and therefore have an advantage over them.
例句
Despite her status, the Duchess will not be given preferential treatment.虽然地位显赫,但是公爵夫人并不会得到优待。
英汉词典释义
adj.
优先的, 优惠的, 特惠的,优待的
This hotel gives preferential treatment to people who stay in it regularly.旅馆给那些常客优惠待遇。
英英词典释义
Adjective
1. manifesting partiality;
"a discriminatory tax""preferential tariff rates""preferential treatment""a preferential shop gives priority or advantage to union members in hiring or promoting"