文章中間主體內容句型
　　<一> 原因結果分析
　　3-1-1. 基本原因 --- 分析某事物時, 用此句型說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 thiswWw.think5.cn problem invovles many factors. For one thing...For another...... Still another ...
　　[3]. A number of factors , both physical and psychological affect ..../both individual and social contribute to ....
　　3-1-2 另一原因 ----在分析了基本原因之后, 再補充一個次要的或者更重要時用!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 后果影響 -----分析某事物可能造成的后果或者帶來的影響 .
　　e.g:[1]. It will produce a profound/far-reaching effect/impact on....
　　[2]. In involves some serious consequence for ........
　　< 二 > 比較對照句型
　　3-2-1. 兩者比較 ---> 比較兩事物，要說出其一超過另一個, 或肯定一事物的優點, 也肯定其缺點的時候用 !
　　e.g:[1]. The advantages gained from A are much greater than the advantageswe 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 aspositive effects.3-
　　2-2 . 兩者相同/相似 ---> 比較兩事物共同都有或者共同都沒有的特點時用!
　　e.g:[1]. A and B have several thing in common.They are similar in that.....
　　[2]. A bears some sriking resemblance(s) to B.