duplexing

例句：

1. 1. The duplex apartment has two separate living spaces.
   这个复式公寓有两个独立的居住空间。
2. 2. They decided to buy a duplex for their growing family.
   他们决定买一个复式公寓来适应他们不断增长的家庭。
3. 3. The duplex is designed to maximize privacy while still providing easy access to the outdoors.
   这个复式公寓设计得既能最大化隐私，又能提供方便的户外通行。