upscale
adjective, adverb US uk/ˈʌp.skeɪl/ us/ˈʌp.skeɪl/ (UK upmarket)
（商品、产品）高档的，高级的
Upscale goods and products are of very high quality and intended to be bought by people who are quite rich.
an upscale brand name 高档品牌
The old hotel has gone upscale in recent years. 这座老旅馆近年来变高档了。