Aparte de ayudar a preservar el idioma de un grupo etnico y minoritario de un país, ¿que mas es necesario hacer para conservar las culturas de estos grupos?
It means: aside from helping preserve the language of a country's ethnic and minority group, what else needs to be done to preserve the cultures of these groups?
It’s saying a side of helping to preserve the language from a group ethnic or minority for a place what else is necessary to conserve the cultures of these groups
