* Simple: "The duplex on the corner is for sale." (This refers to a building with two separate living units.)
* Descriptive: "They lived in a charming duplex with a shared garden." (This emphasizes the type of residence and its features.)
* Technical: "The printer uses duplex technology to print on both sides of the paper." (This refers to the ability of a machine to perform a task on both sides.)
* Figurative: "His arguments were duplex, presenting both sides of the issue." (This uses "duplex" metaphorically to describe a multifaceted approach.)
The best way to use "duplex" depends on the context and the specific meaning you want to convey.