1、as far as i am concerned, i agree with the latter opinion to some extent.

就我而言，在某种程度上我同意后者的观点。

2、as far as i am concerned, i am really/completely in favor of the test/policy.

就我而言，我真的/完全支持这场测试/这个政策。

3、in conclusion/a word, i believe that…

总之，我相信......

4、there is some truth in both arguments, but i think the disadvantages of…outweigh its advantages.

这两种观点都有一定的道理，但我认为……的缺点超过了它的优点。

5、in my opinion/view, we should...

在我看来，我们应该......