Sentence examples for are a necessary from inspiring English sources

"We are a necessary evil".

But they are a necessary evil.

Reserves are a necessary element of accounting.

"They are a necessary community service.

Elections are a necessary first step.

(For comparison, consider the formulation "abortions are a necessary evil").

They are a necessary first step, but after that, they are fodder for the recycling pile.

Miliband spoke words that are a necessary precondition for winning a wider hearing, which is important.

Snowball No. 6: Gun rights are a necessary hedge against tyranny.

To a certain extent, the retail activities are a necessary burden.

Co-curricular contributions are a necessary part of an independent school.