내용들이고

In a sentence

• 이 책은 다양한 내용들이고 흥미로워.

  This book has various contents and is interesting.

  Here, '내용들이고' combines '내용들' (contents) with '이고', indicating 'and' to connect two ideas about the book.

• 이 문서는 중요한 내용들이고 신중히 읽어야 해.

  This document contains important information and should be read carefully.

  In this sentence, '내용들이고' shows that the document has important '내용들' (contents), and the '-이고' links it to the necessity of careful reading.

• 그 보고서는 이해하기 쉬운 내용들이고 명확했어.

  That report contains easy-to-understand information and was clear.

  Here, '내용들이고' signifies that the contents ('내용들') are easy to understand and was in contrast paired with its clarity using '-이고'.