NO es: «We have to CONSERVE all the languages of/in the world» SINO: «We have to PRESERVE all the languages of/in the world»
[youtube=http://youtu.be/gMcVkVXIMqA]
NO es: «We have to CONSERVE all the languages of/in the world» SINO: «We have to PRESERVE all the languages of/in the world»
[youtube=http://youtu.be/gMcVkVXIMqA]