Charlie is my best friend.

He is very popular as a sports commentator.

My roommate always keeps the room clean.

He was chosen as the most valuable player in the World Series.

He is from a commoner background and succeeded by working hard.

In this old book, the character '緖' is used.

My signature is required on this contract.

He has acrophobia, so he is not good at mountain climbing.

I have a deep interest in the culture of the Nordic countries.

The prime meridian is the line that serves as a reference for determining the longitude of any point on Earth.