用统计数据和统计方法来分析经济问题，已经成为现代经济学的重要标志。
With statistics and statistical methods applied to analyze economic problems, ithas become an important symbol of modern economics.
用统计数据和统计方法来分析经济问题，已经成为现代经济学的重要标志。
With statistics and statistical methods applied to analyze economic problems, ithas become an important symbol of modern economics.
应用推荐