Higherincomehasalreadybeenlinkedtogreaterlongevityandbe...
问题详情：Higherincomehasalreadybeenlinkedtogreaterlongevityandbetterhealth.Anewstudybyafamousresearchersuggestsgeographiclocationplaysankeyroleinlifeexpectancy（预期）forlowermeansifyou'repoor,you'relike...