I think his behavior is immature.

Our vision is to create a sustainable future.

When the reinforcements arrived, our victory was assured.

The United States armed forces have bases all over the world.

We offer a wide range of product lines to meet our customers' needs.

They acted as a group.

He spoke to a group of students.

He joined the group.

This tea contains licorice.

The Eighth Route Army played an active role in China's war against Japan.