This item is very popular.

This product is a prepayment system.

A deposit is required to reserve this product.

A deposit is required to reserve this product.

It is said that the education system in Japan is strict.

This game has a limit on character level-ups.

I gave her a gift certificate.

In psychology, it is important to understand the mechanism behind human behavior.

We adopted the AA system to start a new project.

Monarchy still exists in some countries.