The chart gives us an overall picture of the ____________（图表主题）。The first thing we notice is that_______________（图表最大特点）。This means that as __________, _________________（进一步说明）。
　　 We can see from the statistics given that _______________（图表细节一）。After ving_________（细节一中的第一个变化）, the _____Ved+幅度+时间（紧跟着的变化）。The figures also tells us that_________________________（图表细节二）。（数据位置，如In the second column）, we can see that ____________accounts for _______（进一步描述）。
　　 Judging from these figures, we can draw the conclusion that___________（结论）。The reason for this, as far as I am concerned is that_____________（给出原因）。/It is high time that we Ved（发出倡议）。