upper class

1. N-COUNT-COLL The upper class or the upper classes are the group of people in a society who own the most property and have the highest social status, and who may not need to work for money. 上层阶级

...goods specifically designed to appeal to the tastes of the upper class. …为迎合上层阶级的品味而专门设计的商品。

2. ADJ Upper class is also an adjective. 上层阶级的

All of them came from wealthy, upper class families. 他们所有人都来自富裕的上层阶级家庭。