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主要/好/重要/大/有意義/明顯/至關(guān)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.....
    第一個而且重要的原因是______________。
    One of the reasons that are given for....is that....
    ______________的原因之一是__________________。
    Perhaps this is because of the simple fact that.....
    也許，原因很簡單，亦即_____________________。
    One of the premier causes is that(注意用詞)
    重要的原因之一便是______________。
    At the risk of sounding too simplistic, it seems to me that the main propositions can be summarized in one saying.
    這個原因可能較簡單，不過，我認(rèn)為可以用一句諺語來概括，________。
    We may look into every possible reason, however, foremost reason for .... Is ....
    其實有很多原因，不過，造成________的重要的原因是______________。
    It might also be noted that....
    需要注意的是，____________。
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