Jesus is our savior.

I received instructions for a new project from the boss.

We used the shuttle from the airport to the hotel.

This stone has a very beautiful color.

My new passenger car has very good fuel efficiency.

He was working as a secret spy.

He conducted espionage at the enemy's base.

He transcribed the letter and sent it to me.

He is good at transcribing that music.

Number theory is a branch of mathematics that primarily studies the properties of integers.