For years, questions about the size of an air taxi market have been largely theoretical.

This is a largely theoretical and somewhat abstract research project.

Consumer demand for books to be read on screens remains largely theoretical.

The question of what new programs to support would be a largely theoretical exercise, at least for a while.

Before 1939 all sides operated under largely theoretical models of air warfare.

That said, this shot at the big time is a largely theoretical one.

TO fund companies, however, the question is largely theoretical.

Some of the questions are largely theoretical for now.

For years, the copyright implications of this digital decision were largely theoretical.

Three years have passed since then, and the Commission itself acknowledges that the assessment is largely theoretical.