But the new network has become an indispensable part of the routine at many schools.

This makes information security an indispensable part of all the business operations across different domains.

They were, along with Smith, indispensable parts of the operation.

For a father, we are told, is an indispensable part of one's social equipment.

Live sets created directly in the studio became and indispensable part of the show.

Air transport has become an indispensable part of modern society.

The police department is an indispensable part of our society.

The truly indispensable part of this book is its final section.

Data analysis is an indispensable part of all applied research and problem solving in industry.

It is actually an indispensable part of the democratic process.