杭州雅思考试培训班价格

八大功能段二：分析原因功能段

1 . 总原因的阐述(三选一)

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

(2)A number of factors might contribute to/account for the phenomenon/problem.

(3) The answer to this problem involves many factors. 中文：许多原因导致这个问题、现象。

2 . 分析原因功能句(由具体原因数量决定)

(1) One of the most common factor is …

(2) Another contributing cause is…

(3) Perhaps the primary reason is …

(4) But the fundamental element is …

中文：个原因是..; 第二个原因是…; 第三个原因是…;较后一个原因 是…