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.
(..) 'Cause it looks a lot like breakfast. I finally have time to test my hypothesis about the separation of the water molecules from the egg proteins and its impact vis-a-vis taste. Sounds yummy. I look forward to your work with bacon. As do I. You know,I'm sure if you just apologize to (..)2007 TvShow: The Big Bang Theory Title: The Luminous Fish Effect Season: 1 Episode 4