And I would like to 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 would like to 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//最重要//最有意义/明显/至关重要的原因。

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

　　这基于以下的原因。

　　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.

　　个原因其实很明显。

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