相关MakeADifferenceDayis的文学知识

问题详情：MakeADifferenceDayisthelargestnationaldayofcommunityserviceintheUSA,whichtakesplaceonthefourthSaturdayofOctober.WhotakespartinMakeADifferenceDay?Anyone!Youngandold,individualsandgroups,anyonec...