It is not necessarily these small languages that are about to dissappear.这句话怎么翻译?not necessarily等于inevitable吗?不是双重否定才表示肯定意义吗?

it is not big it is not my it is not it is not goodbye it is not It is not.,but. It is not ( )you no,is it not It is not you ,()it? it is pretty,is not it? It is not yours,it is mine. It is ( )ruler.It is not( )eraser. it not clear that this is not It is not until that It is not your fault Thus it is not merely It is not really my It is not about you