This commonly accepted theory is based on scientific evidence.

My daughter goes to the nursery school every day by the commuting bus.

I send my son to the nursery school every day.

We held a round table meeting to discuss the new project.

On this road, the principle is to keep left.

English is widely used as a common language in the world.

Recently, my neuralgia has been so bad that I can't concentrate on my work.

He went to school with his new schoolbag.

It's convenient to live in a city where transportation facilities are well-developed.

I bought new clothes through mail order.