1）段首常用语（描述图表、引出数据主题）
As is clearly shown in the chart, great changes have taken place in…
The chart presents the differences in… among different groups.
Statistics in the table reflect the current situation of…
The diagram shows how … has changed over the past years.
As can be seen from the chart…
2）段中常用语（对比数据、升降变化、占比描述、分析原因）
There are …% of the students who enjoy ….
The students who enjoy … account for …%.
The number of … has increased / decreased sharply during this period.
A large percentage of people tend to choose…, ranking first of all.
Compared with…, … enjoys a much higher popularity.
Several factors contribute to such obvious differences.
With the development of society, people’s living habits have changed.
The rising trend is mainly caused by public awareness and social needs.
Meanwhile, the proportion of … remains relatively stable all the time.
3）段尾常用语（总结趋势、预测未来、给出看法）
Based on the above data, we can draw a clear conclusion.
Such a trend is likely to continue in the coming years.
It is necessary for us to treat this change in a rational way.
Effective measures should be taken to guide future development.
The data reminds us to pay more attention to this social trend.
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