1.A number of factors are accountable for this situation.
A number of factors might contribute to (lead to )(account for ) the phenomenon(problem). 2. The answer to this problem involves many factors.
3. The phenomenon mainly stems from the fact that...
4. The factors that contribute to this situation include...
5. The change in ely results from the fact that...
6. Part of the explanations for it is that ...
7. One of the most common factors (causes ) is that ...
8. Another contributing factor (cause ) is ...
9. Perhaps the primary factor is that ...
10. But the fundamental cause is that ...
7、The main reason is that.. (主要原因是_____________。)
8、One very important argument for ..... is that....
(_______的非常重要的原因便是____________________。)
9、The reasons are quite clear. Above all, ....
(原因非常清楚。首先(首要的'是)__________。)
10、The first reason can be seen by every person.
(第一個原因其實很明顯。)
11、The first and most important reason is that.....
(第一個而且最重要的原因是______________。)
12、One of the reasons that are given that....
(______________的原因之一是__________________。)
13、Perhaps this is because of the simple fact that.....
(也許，原因很簡單，亦即_____________________。)
14、One of the premier causes is that(注意用詞)
(最重要的原因之一便是______________。)
15、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，我認為可以用一句諺語來概括，________。)
16、We may look into every possible reason, however, foremost reason for .... Is ....
(其實有很多原因，不過，造成________的最重要的原因是______________。)
學識谷
