Para 2: 

 It can also be argued that….

 It is also well-known that…

 Another special consideration in this case is that…

 ……should not be neglected as well.

 Another thing that is equally important is that……

 Another equally important /essential function/consideration is…

 ……may be further supported by…

 In addition to/ Apart from this, another aspect/ function is……

Para 3: 

Conclusion:

Taking into account of all these factors, we may safely reach the conclusion that……

All reliable evidence point to one saying, that is……

For the reasons presented above, I strongly commit to the notion that……

Therefore, it is sagacious to support the statement that it is better to……

From what has been discussed above, we may draw the conclusion that……