I am a member of the Third International.

The Third International was a historically important organization.

The Neogene period is a part of the geological era, which lasted from about 23 million years ago to about 2.6 million years ago.

The Paleogene period was a very important time in the history of the Earth.

The Quaternary is the most recent era in Earth's history.

He is learning how to use the second adjective.

This contract prohibits interference by a third party.

This ditto mark indicates the same meaning as the previous character.

His message ended with a three-dot ellipsis, suggesting something.

Our company has started making profits beyond the break-even point.