Besides, to Agassi, escapism is a virtual necessity.

It is also a virtual necessity for regular, high-output shows like daily soap operas.

But in a few situations, sellers have little choice, such as when estate taxes after an owner's death make selling a virtual necessity.

Study with Segovia became a virtual necessity for aspiring guitar virtuosos and came to be regarded as a seal of approval internationally.

In those weeks Isabel became a virtual necessity to Raphael.

He notes that suburban neighborhoods are difficult, if not impossible, for pedestrians to navigate, making cars virtual necessities.

For a while this season, the Purple Knights had to do without a sports information director, a virtual necessity in college sports.

The Conservative endorsement would be a virtual necessity for a Republican running statewide.

The search for these new markets has become a virtual necessity.

Only a small percentage of applicants for asylum are represented by lawyers, the report said, though having a lawyer is a "virtual necessity."