高考英语作文万能句子：给出原因万能句

给出原因:

This phenomenon exists for a number of reasons. First, … Second, … Third, …

这一现象的存在是有许多原因的.首先，……;第二,，……;第三，……

Why did …? For one thing …，for another …. Perhaps the primary reason is…

为什么会……?一个原因是……，令一个原因是……;或许其主要原因是……

I quite agree with the statement that … The reasons are chiefly as follows.

我十分赞同这一论述,即……，其主要原因如下: