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小编： 998小作文：
The graph below shows the number of students from US, UK, and Australia, who studied in universities in other countries during the years from 2002 to 2007.
大作文：Throughout the history, people dream to build a perfect society while they haven't agreed how the ideal society would be like. What is the most important element you think to make a perfect society? How do people do to achieve an ideal society？
