六级考试作文布局常用句型

1.A number of factors are accountable for this situation.

A number of factors might contribute to the phenomenon.

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 is that ...

Another contributing factor is ...

Perhaps the primary factor is that

But the fundamental cause is that

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