SASS

例句：

1. 1. The website uses a Sass framework for its design.
   该网站使用Sass框架进行设计。
2. 2. I've been using Sass for years and it's great for developing websites.
   我已经使用Sass多年了，它非常适合开发网站。
3. 3. Sass is a CSS preprocessor that allows you to write more concise code.
   Sass是一个CSS预处理器，可以让你编写更简洁的代码。