The students on a field trip visited the museum.

In our company, we always adhere to the principle of safety first.

The agenda of the Security Council is an important issue related to national security and defense.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

The janitor is cleaning the classroom.

He is protecting the town as a vigilante.

He is an excellent salesperson, always understanding the needs of the customers.

He is living as a recluse.

The saboteur is delaying our project.

The Security Council is the main organization for maintaining international peace and security.