独立结构的比较用语：
1. As compared to…
2. By comparing…
3. Compared with…
4. in comparison
5. in contrast
6. likewise
7. similarly
8. whereas
9. while
连词：
1. accordingly
2. additionally
3. also
4. besides
5. but
6. furthermore
7. however
8. in addition
9. moreover
10. nevertheless
11. on the contrary
12. so
13. therefore
14. thus
15. what's more
16. yet
17. despite…
18. in spite of…
19. otherwise
20. instead of
21. alternatively
归纳用语：
1. above all
2. all in all
3. most importantly
4. worst of all
5. as a result
6. briefly
7. consequently
8. eventually
9. finally
10. generally
11. in conclusion
12. in general
13. in summary
14. to end with
15. to sum up
16. in brief
表示顺序用语：
1. first / second / third/ fourth…
2. first of all
3. firstly / secondly / thirdly/ fourthly…
4. for one thing / for another
5. in the first / second / third place
6. last / last of all
7. last but not least
8. lastly
9. next
10. on the one hand/ on the other hand
11. then
12. to conclude
13. to end with
14. to start with / to begin with
表示个人观点用语：
1. I think…
2. In my opinion,
3. I personally think…
4. I am for the opinion that…
5. To my knowledge…
6. To my understanding…
7. As I see it,
8. For my own part,
9. My opinion is that…
10. As for me…
11. As far as I am concerned…
12. From where I stand…
13. I believe…
14. I consider…
15. I hold the opinion…
16. I maintain that…
17. I'd like to point out that
18. in my point of view…
19. My feeling is that…
20. personally I agree / disagree…
表示理由用语：
1. …for the simple reason that…
2. As is the case…
3. As…
4. Because… because of…
5. Due to…
6. Owing to…
7. Since…
8. That's why…
9. The point is that…
10. The reason is that…
预测用语：
1. According to the estimate / prediction…
2. Base on the estimate / prediction…
3. I can foresee that…
4. In the long run,
5. It can be imagined that…
6. It is assumed that…
7. It is estimated that…
8. It is expected that…
9. It is predicted that…
10. It is supposed to be…