1. from this point of view…

2. in a word…

3. in conclusion…

4. on account of this we can find that…

5. the result is dependent on…

6. therefore, these findings reveal the following information:

7. thus, this is the reason why we must…

8. to sum up …

9. as far as…be concerned, I believe that…

10. It is obvious that…

11. there is little doubt that…

12. there is no immediate solution to the problem of …, but …might be helpful

13. None of the solutions is quite satisfactory. The problem should be examined in a new way.

14. It is high time that we put considerable emphasis on…

15. Taking into account all these factors, we may safely reach the conclustion that…