1. I don't think so.
2. I beg to differ.
3. I'm afraid I don't agree.
4. I'm not so sure about that.
5. That's not how I see it.
6. Not necessarily.
7. Yes, but... [say your opinion]
8. On the contrary.
9. (very informal) No way!
10. (very strong) I totally disagree.

Fact
In 1960 there were 16,067 gambling slots in Nevada. By 1999, this number rose to 205,726 slots which would be one slot for every 10 people residing there      .. More >>