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:
列出解决办法:
Here are some suggestions for handling … 这是如何处理某事的一些建议.
The best way to solve the troubles is … 解决这些麻烦的最好办法是……
People have figured out many ways to solve this problem. 人们已找出许多办法来解决这个问题.
