九、进行对比
The advantages for A for outweigh the disadvantages of...
Although A enjoys a distinct advantage ...
Indeed, A carries much weight than B when sth is concerned.
A maybe ..., but it suffers from the disadvantage that...
十、承上启下
To understand the truth of ..., it is also important to see...
A study of ... will make this point clear
十一、让步
Certainly, B has its own advantages, such as...
I do not deny that A has its own merits.
十二、结尾
From what has been discussed above, we may safely draw the conclusion that ...
In summary, it is wiser ...
In short...
All in all, ...
To cut a long story short...
