在英语辩论中，常用的表达包括：
1. In my opinion/From my perspective, I believe that...
2. It is undeniable that...
3. It is worth noting that...
4. On the one hand, we can argue that...
5. On the other hand, it is important to consider...
6. Furthermore, it is crucial to acknowledge...
7. Moreover, it is evident that...
8. In addition, we must take into account...
9. It is clear that the evidence supports...
10. To sum up/conclude, I strongly contend that...
11. I would like to rebut/refute the argument that...
12. I would like to counter with the following evidence/facts...
13. It is essential to address the issue of...
14. We must prioritize the need for...
15. It is imperative that we take action to...
16. We cannot ignore the fact that...
17. It is crucial to consider the long-term implications of...
18. It is important to weigh the pros and cons of...
19. It is evident that the benefits outweigh the drawbacks.
20. In light of the evidence, it is clear that...