Process groups need not necessarily have leaders, although they always begin with one.

For one thing, he or she need not necessarily be new.

You don't necessarily need to spend more money to get a better education.

The style doesn't necessarily need to be better, just different.

But we don't necessarily need to be holding them all to the same standards.

However, you do not necessarily need to cross the city.

He did not believe that space necessarily needed to be filled.

It need not necessarily be air but that is the most available gas around.

Order does not necessarily need to be controlled by government.

"I don't necessarily need or want to live in my own environment," he says.