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……
承上启下：
To understand the truth of ……, it is also important to see……
A study of …… will make this point clear
让步：
Certainly, B has its own advantages, such as……
I do not deny that A has its own merits.
结尾：
From what has been discussed above, we may safely draw
the conclusion that ……
In summary, it is wiser ……
In short……
在作文中引用合适的名言警句，会给你的文章增色许多。这里收集了我本人喜爱的一些名言，可能会对你有用。我们使用引用的位置可以在开头结尾或正文段落中，
常见的使用形式如下：
One of the greatest early writers said ……
"Knowledge is power", such is the remark of ……
"……". That is how sb comment ( criticize/ praise……).
"……". How often we hear such words like there.
Useful quotations
逆境
by Robert Collier
In every adversity there lies the seed of an equivalent advantage. In every defeat there is a lesson showing you how to win the victory next time.