He is my chauffeur.

His existence is barely noticeable.

This area has a unique microclimate.

I am majoring in microbiology at university.

I am majoring in microbiology at university.

I studied calculus at university.

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.