This law is based on the ancient Banminhō.

This plan is based on scientific data.

He is working in the field of law.

He is an expert in civil law.

This ancient artifact is very valuable.

It is very interesting to learn about ancient history.

This picture is being sold for ten thousand yen.

Mr. Wan is my best friend.

Mr. Wan is my best friend.

Man is my best friend.