3-1-1.基本原因---分析某事物时,用此句型说明其基本的或者多方面的原因.
e.g:
[1].Why...?For one thing..For another...
[2].The answer to this problem involves many factors.For one thing...
For another......Still another...
[3].A number of factors,both physical and psychological affect....
/both inpidual and social contribute to....
3-1-2另一原因-------->在分析了基本原因之后,再补充一个次要的或者更重要时用!
e.g:
[1].Another important factor is....
[2]....is also responsible for the change/problem.
[3].Certainly,the...is not the sole reason for.....
3-1-3后果影响---------分析某事物可能造成的后果或者带来的影响.
e.g:
[1].It will produce a profound/far-reaching effect/impact on....
[2].In involves some serious consequence for........
<二>比较对照句型
3-2-1.两者比较--->比较两事物,要说出其一超过另一个,或肯定一事物的优点,也肯定其缺点的时候用!
e.g:
[1].The advantages gained from A are much greater than the advantages
we gain from B.
[2].Indeed,A carries much weight when compared with B.
[3].There is no doubt that it has its negative effects as well as
positive effects.
3-2-2.两者相同/相似------>比较两事物共同都有或者共同都没有的特点时用!
e.g:
[1].A and B have several things in common.
They are similar in that.....
[2].A bears some striking resemblances to B.