Mr. Byou is cleaning the hallway.

Related items are listed at the bottom of this article.

The Commonwealth of Independent States is an intergovernmental organization formed by part of the former Soviet Union.

When you cross the International Date Line, the date changes by one day.

Biotechnology is a science that understands the mechanisms of life and utilizes them.

This road is a dead end, so we have to find another way.

He is a genius, but even experts sometimes make mistakes. He also makes mistakes sometimes.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Mou is a common surname in China.

The marquis was proud of his position.