- 问题详情:Itmaynotcomeasasurprisebuttheworldasawholeisgetting richer.Recentdatahasshownthatthenumberofpeoplelivingin extremepoverty hashalvedinrecentdecades.Soshouldwecelebratethefactthatmoreofusnowhaveabetter standardofliving?Maybenot.Whilethegapb...
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