它避免了无用的属性，比如嵌入式CSS，保持了文档结构的整齐。

It avoids needless attributes, such as inline CSS, and leaves each document structured and organized.

youdao

它避免了无用的属性，比如嵌入式CSS，保持了文档结构的整齐。

It avoids needless attributes, such as inline CSS, and leaves each document structured and organized.

youdao