demonstrate for something

"You and I are going to demonstrate something for your friends."

"I thought that it might be of interest to demonstrate one for you."

And if we do, he will once again have demonstrated his desire for change.

They demonstrate little concern for the reality of people's lives.

One day, he came by and demonstrated his electric car for the writing staff.

The Senator said the report demonstrated the need for continued aid.

From an early age she demonstrated a talent for music.

The first ones will demonstrate both the danger and the need for action.

He hasn't exactly had a history of demonstrating high regard for human life.

At the season's end, he demonstrated his leadership abilities for the first time.