From the cartoon we can see that_____.
We can see from the cartoon that_____.
As is indicated in the cartoon， _____.
We can deduce from these two vivid drawings that_____.
What has been describe in the cartoon carries great implications for our life， esp. how to_____.
What it illustrates is a common phenomenon in today‘s society， and it conveys the symbolic meaning of_____.
What is the purpose of the drawer of this cartoon? In the first place，_____. In the second place，_____.
There are quite a few possible reasons suggested here. To begin with，_____. In the second place，_____. Finally，_____.
There are some possible reasons for this tendency. To begin with，_____. In the second place，_____. Finally，_____.
What caused the effect? There are at least two possible reasons. To begin with，_____. In the second place，_____.
It is， therefore， necessary that efforts should be made to cope with the problem as early as possible.
We should take immediate measures， for if the present situation continues as before， serious outcome will come up.
As far as I am concerned， my suggestions as to ___are as follows.
It is clear that ___plays a important role in our life and work.
There may be some other reasons responsible for ___， but I think what has been mentioned above is generally acceptable.
This is my point of view as to how to___， and I am sure that my ideas are both sound and reasonable.
A case in point is my neighbor， who_____.
I‘d like to quote a further example here.
According to a recent survey made by professor Wang， head of social department in Peking University， 90% of the people across the country are suffering from the problem.
Another survey also shows that the trend is turning from bad to worse.
Only in this way can we_____.
In the first place， ___. In the second place， ___. Last but not the least， ___.
To begin with， ___. Furthermore， ___. The most important of all， ___.
On the one hand， ___.On the other hand， ___.In addition， ___.
For one thing， ___. For another， ___. What‘s more， ___.
First of all， ___. In the second place， ___. Conversely， ____.