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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 asbe 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 | 
