category

/ˈkætəˌgɔri/

a collection of things sharing a common attribute

中文释义：类别；种类

The books in the library are organized into different categories such as fiction and non-fiction.

图书馆的书籍按不同类别整理，如小说和非小说。

This product falls into the category of luxury goods and is subject to high taxes.

该产品属于奢侈品类别，需缴纳高额税款。