英语考试作文常用原因句型

    英语考试作文常用原因句型
    原因
    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 stems¹ 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 ...

1 stems   

n.（花草的）茎( stem的名词复数 )；词干；（高脚酒杯的）脚；烟斗柄v.遏制[阻止]（液体的流动等）( stem的第三人称单数 )；封堵；遏止

参考例句：

• The present wave of strikes stems from discontent among the lower-paid. 当前的罢工浪潮起因于低工资雇员们的不满情绪。 来自《简明英汉词典》
• Her interest in flowers stems from her childhood in the country. 她对花卉的兴趣产生于她在乡下度过的童年时代。 来自《简明英汉词典》