What does it mean when a girl asks a boy to copy the lyrics of Kashgargar poplar song

Represents willingness to wait for the boy all the time. Kashi Geer Poplar" Knife Lang sings the song, Kashi is a very important city in the southern border. Kashgar Geer is the full name of the local Viennese compatriots called Kashgar. The poplar is grown in this Gobi tree has "a thousand years to grow into, grow into a thousand years not die, die a thousand years immortal" legend. Knife Lang's song, write all the men's feelings, hoarse in the highlights of high-pitched, persistent through the sadness; rough, but accurate straight to the soul. The girl let the boys copy Kashgargargar poplar lyrics on behalf of the willingness to live as hard as the poplar, for your appearance and so on for thousands of years.