We hope that these programs will have a positive 'impact on' the community. [=will help the community]
The stress of her job is having a negative 'impact on' her health. [=is harming her health]
We need to be concerned about the environmental 'impacts' of all this construction.
(..) two... one... Scanner imaging has confirmed the dark planet dead. The planet seems to have stopped at miles from impact. What's wrong with you? What are you screaming for? Every five minutes it's a bomb or something! l'm leaving. (..)1997 The Fifth Element
(..) Because it is evil, Absolute Evil. - One more reason to shoot first. Evil begets Evil. Shooting will only make it stronger. Probe impact in seconds. We don't have time to go into your theory. Time is of no importance. Only life is important. Right! (..)1997 The Fifth Element