Inmanycountries,lifeexpectancyisgettinglonger,andmanymi...
问题详情：Inmanycountries,lifeexpectancyisgettinglonger,andmanymiddle-agedchildrenaretakingcareoftheirelderlyparents.Thiscanbeverydifficultbecauseelderlyparentsoftenneedsomebodytobewiththemallthetime.Ch...