Basedonastudyin40countriesover23years,agroupofresearche...
问题详情：Basedonastudyin40countriesover23years,agroupofresearchersfoundthatifthebasicneedsarecovered,wealthdoesnotleadtomorehappiness.Theyexplainedthatwithanincreasingincome,demandsandexpectationsareri...