upscale

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++up·scale /ˈʌpskeɪl/ adjective American English  EXPENSIVErelating to people from a high social class who have a lot of money 适合高消费阶层的，高档的 SYN British English upmarket an affluent upscale audience 富裕的高消费观众

Examples from the Corpus

upscale• Skyservice is a small but well-established Toronto-based charter carrier that announced in June it wants to start an upscale airline.• Go into any upscale Bay Area restaurant and ask for a glass of white wine.• an upscale department store• There is no Metro stop in the upscale neighborhood.

up·scale adjectiveChineseSyllable  

Corpus a have relating to social high class who people from

upscale
up‧scale /ˈʌpskeɪl/ adjective American English
relating to people from a high social class who have a lot of money
   SYN  upmarket British English:
    an affluent upscale audience