举普通例子：

　　For example(instance),…

　　… such as A,B,C and so on (so forth)

　　A good case in point is…

　　A particular example for this is…

　　引用：

　　One of the greatest early writers said …

　　“Knowledge is power", such is the remark of …

　　“……". That is how sb comment ( criticize/ praise…).

　　“……". How often we hear such words like there.

　　讲故事(先说故事主体)，this story is not rare

　　…, such dilemma we often meet in daily life

　　…, the story still has a realistic significance.

　　提出原因：

　　There are many reasons for …

　　Why … , for one thing,…

　　The answer to this problem involves many factors.

　　Any discussion about this problem would inevitably involves …

　　The first reason can be obliviously seen.

　　Most people would agree that…

　　Some people may neglect that in fact …

　　Others suggest that…

　　Part of the explanation is …