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.