I saw a swallow flying in the sky.

He always follows the teaching of 'Never invite suspicions needlessly,' and avoids actions that may cause suspicion.

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.

My friend is working in the United Arab Emirates.

The Federal Republic of Yugoslavia was once an existing nation.

Alexandroupoli is a beautiful city in Greece.

This software has forward compatibility.

Apostrophes are often used in English spelling.

Polytetrafluoroethylene is a very slippery material.

Political correctness is an important theme in modern society.