This book is the first volume of a trilogy.

We will make a decision after listening to his opinion.

Rainforests, rich in biodiversity, are also referred to as the lungs of the Earth.

Whenever I go shopping at the supermarket, I always bring a reusable shopping bag.

My brother works as a systems analyst.

My computer needs a new operating system.

The new apartment is equipped with the latest unit kitchen.

He is known as an excellent system operator.

My older brother works as a systems engineer.

This is my first question.