1. It goes without saying
2. I don't care
3. I have no idea
4. I wish I knew
5. It doesn't matter
6. It's new to me
7. It's up to you
8. That's not the point
9. By the way
10. Don’t mention it
11. I didn’t catch the last word
12. In short
13. In other words
14. On the one hand/On the other hand
