It is important to calculate the subtrahend accurately.

He has a habit of smoking tobacco every day.

Adding fractions is difficult.

The beauty of the water and the moon soothes my heart.

The culture of Sweden is very attractive.

He took a deep breath and inhaled the fresh air.

The service life of this machine is 10 years.

This old tunnel was once a key point of transportation.

Understanding real variable functions is important for learning the basics of advanced mathematics.

Looking at recent trends, online shopping is increasing.