图表模板：
According to the bar chart / pie chart / line graph displays the changes in the number of____________（图表整体趋势）. There was an increase in ____________（图表细节）.
At the point of ____________, ____________reaches its peak value of ____________(数据或变化). What has caused these changes? There are mainly three reasons. Firstly, ____________ （原因一）.Secondly, ____________（原因二）. The number of ____________ increased over the period. ____________ rose by _________ from ________ to ________________. And there were____________. Finally, ____________（最后一个原因）.
In conclusion / We can safely draw the conclusion that ____________（结论）. Therefore, ____________（进一步谈论更多个人想法）.