同一级别的标题应该是一致的，但无需和其它级别的标题匹配。

Headings of the same level should be consistent, but they need not match other levels.

youdao

同一级别的标题应该是一致的，但无需和其它级别的标题匹配。

Headings of the same level should be consistent, but they need not match other levels.

youdao