That disease is caused by a mutation.

He acted as his own herald.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

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

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

Sudden Infant Death Syndrome refers to the sudden death of an infant for which the cause remains unknown.

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.