第一段
1引出图画
The painting does mirror a serious social phenomenon and seems really thought-provoking.
2描述图表或者图画
As is illustrated in the drawing above，....未写
3过渡句
The symbolic meaning of the drawing appears quite self-evident.So indispensable sth...(具体的事情)keeps that the subject ought to have been brought into the limelight.
第二段
4分析原因
There appear a host of factors to give rise to ny perspective.
