A brown dwarf is a celestial body that has a size between a star and a planet.

He likes to take a walk in the park at dusk.

A sub-brown dwarf is a celestial body between a planet and a brown dwarf.

We should always remember the power of Kannon in difficult times.

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.