2019英语四级作文模板:表原因
1.A number of factors are accountable for this situation.
A number of factors might contribute to lead to account for the phenomenonproblem.
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 ...largely results from the fact that...
6. We may blame ...,but the real causes are...
7. Part of the explanations for it is that ...
One of the most common factors causes is that ...
Another contributing factor cause is ...
Perhaps the primary factor is that …
But the fundamental cause is that
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