If you still don't understand after V replied I'll tell what I meant. If one knows English in Russia his chances to get a good job double, triple... compared to those who don't know, and salary too. So if I knew English I could get an excellent job.
"Верю в мечту и всe жду" means I believe in a dream and still wait. "Все" здесь сокращенное от "все еще", наверное, для рифмы. Это часто встречается.