词语：

because （of）, as, since, for, owing to, due to, thanks to, on account of, as a result of, result in (from), consequently, for the reason that, as a consequence, consequently, it follows that, accordingly, therefore, hence 

 

句型：

in my mind , the following factors/reasons/causes need to be taken into consideration.

我认为，我们需要考虑下列因素/原因：

There are several reasons for this phenomenon/why…-(as follows).

       造成这种现象的原因如下：

  And I present two explanations for this:

            对于此，我有如下两点愚见：

The reasons are chiefly as follows. 主要原因如下：

    There are numerous reasons why ____, and I  explore a few of the most important ones here.

为什么___________，原因很多，在此列举几个较为重要的原因。

 The reasons are presented below. 原因如下。

 There are three premier(主要的)/best/ most important, largest, significant, obvious, crucial causes as follows.

     以下这些是造成这一问题的最主要/最好/最重要/最大/最有意义/明显/因。

    

   The first and most important …..

  第一个而且最重要的原因是______________。

           

 

 

更多句型：

1.表原因　　1.A number of factors are accountable for this situation.　　A number of factors might contribute to (lead to )(account for ) the phenomenon(problem).　　2. The answer to this problem involves many factors.　　3. The phenomenon mainly stems from the fact that...　　4. The factors that contribute to this situation include...　　5. The change in ...largely results from the fact that...　　6. We may blame ...,but the real causes are...　　7. Part of the explanations for it is that ...　　One of the most common factors (causes ) is that ...　　Another contributing factor (cause ) is ...　　Perhaps the primary factor is that …　　But the fundamental cause is that ...

 

2. 表后果　　1. It may give rise to a host of problems.　　2. The immediate result it produces is ...　　3. It will exercise a profound influence upon...　　4. Its consequence can be so great that...