舉普通例子：
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.
講故事(先說故事主體)，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 …
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.
講故事(先說故事主體)，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 …