Customsaresocialhabits.Theyhavebeenhandeddownthroughgen...
问题详情：Customsaresocialhabits.Theyhavebeenhandeddownthroughgenerations(代)amonggroups,socialclasses,etc.Customscanbedescribedaswaysofdoingthings.Theyareparticularly(特别)stronginsocialpracticesontheo...