中上流社会

例句：

1. 1. The rich are the ones who can afford to live in the best neighborhoods.
   富人能够住在最好的社区。
2. 2. The middle class is often seen as the backbone of society.
   中产阶级常常被视为社会的支柱。
3. 3. The upper class has a lot of influence over the political system.
   上层阶级对政治体系有相当大的影响力。