常用的写作句式：

（A） 随着人口的增加,…

     With the increase/growth of the population， …

（B） 随着科技的进步， …

     With the advance/development of science and technology， …                                      

不可否认地…..

      There is no denying that…

           = There is no possibility of Ving.

           = It is impossible to V.

           = No one can V.                     

例句：

It  is impossible to reduce travelling time fromGuangzhoutoWuhan, without high-speed railway. 

就我的看法…；我认为…

      In my opinion， …

      = To my mind， …。

      = As far as I am concerned， …                            

我深信…

      I am greatly convinced （that）…

           = I am greatly assured （that）….

                   ---用来陈述个人观点

例句：

I am greatly convinced that the development of high-speed railway is changing our lifestyle. For instance, we can travel and return back in one day betweenGuangzhouandWuhan.

根据我个人经验…

      According to my personal experience，…

      = Based on my personal experience，…

 … 是必要的. /是重要的./ 是适当的 .

      It is necessary that   S （should） V.

      It is important/essential that S

 （should） V.

      It is proper that    S （should） V.

      据说…            It is said （that）…..

      大家都知道…    It is known （that）…..

      据报导…       It is reported （that）…..

      据估计…       It is estimated （that）……

      人们相信…   It is believed （that）……

例句：

It was estimated that a large number of Chinese took high-speed railway to go back home during Spring Festival.

      做…用下列方法 ； 从以下的方式….    

         … in the following ways.

      …为了/有三个主要理由。

           … for three major reasons.

做…的主要理由是…

      The main reason why … is （that）….

然而, 很可惜的是…

      However， it is a pity that…..

更严重的是…。

      What is more serious is （that）…

 ….使某人能够…..

           ~~~~ enable + sb + to do …

不遗余力的…..

           spare no effort to do ….

 对… 有很大的影响….

           have a great influence on sth.

  如果能把这….(三点)付诸于实践/实际, …。

      If one can really put the three points into action (practice), …

  总而言之,  …。

           In conclusion， …

                 = To sum up， …

                 = In brief, …

       因此, 我们能下个结论, 那就是…。

      We can， therefore， come to the conclusion that ….

 因此,  由上列的讨论我们可以明了…。 

      We， therefore， can make clear from the above discussion that…..