英语翻译The happiness index of people in Jiangsu,Sichuan,Fujian
英语翻译
The happiness index of people in Jiangsu,Sichuan,Fujian provinces and Chongqing municipality was found to be high,with half of families saying they were satisfied with family life,while people living in big cities like Beijing,Shanghai and Shenzhen were not so lucky.
这里的index用法地道吗?还可以用哪个词语