表達不確定的用詞：May, seem, be likely to, possible, probably, perhaps, be said that, be said to…

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

　　我認為，我們需要考慮下列因素/原因：

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

　　造成這種現象的原因如下：

　　And I would like to present two explanations for this:

　　對于此，我有如下兩點愚見：

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

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

　　為什么___________，原因很多，在此列舉幾個較為重要的原因。

　　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.

　　以下這些是造成這一問題的最主要/最好/最重要/最大/最有意義/明顯/至關重要的原因。

　　This is based on the propensity(傾向，原因) of following points.

　　這基于以下的原因。

　　The main reason is that.. 主要原因是_____________。

　　One very important argument for ….. is that….

　　_______的非常重要的原因便是____________________。

　　The reasons are quite clear. Above all, ….

　　原因非常清楚。首先(首要的是)__________。

　　The first reason can be seen by every person.

　　第一個原因其實很明顯。

　　The first and most important reason is that…..

　　第一個而且最重要的原因是______________。

　　One of the reasons that are given for….is that….

　　______________的原因之一是__________________。