1、I will conclude by saying...最后我要说…
2、Therefore, we have the reason to believe that...因此,我们有理由相信…
4、Therefore, in my opinion, it's more advisable...因此,在我看来,更可取的是…
5、From what has been discussed above, we may safely draw the conclusion that….通过以上讨论,我们可以得出结论…
7、It can be concluded from the discussion that...从中我们可以得出这样的结论
8、As has been mentioned above...正如上面所提到的…
9、In this respect, we may as well (say)从这个角度上我们可以说