Free software plays an important role in enhancing the convenience of computers.

Gender roles are an important element in defining individual behavior in society.

It is important to understand the importance of health.

We are conducting various activities to raise the confidence of our students.

This apartment is convenient because it's close to the station.

This apartment is convenient because it's close to the station.

His role is the team leader.

He worked hard to accomplish his goals.

I installed new software.

His opinion is very important.