This paragraph is in the intro section.(此段落在简介部分。)
This paragraph is not in the intro section.(此段落不在简介部分中)
This is a paragraph(这是第一个段落)
This is the second paragraph.(这是第二个段落)
This is not in the intro section(这不在简介部分)
The second paragraph is not in the intro section.(第二段不在介绍部分)