This book is widely circulated throughout the country.

When the circulation of information becomes smooth, business becomes more efficient.

Students from all over the country will participate in this contest.

This park is very wide.

Naohiro is my best friend.

Looking at this vast sea, I feel free.

Hiroshi is my best friend.

This room is known for its spaciousness.

He has a habit of reading a book every day.

He left the room in just a moment.