Tie A Yellow Ribbon Round the old oak tree背后的故事(要英文的)

The symbol became widely known in civilian life in the 1970s. It was the central theme of the popular song "Tie a Yellow Ribbon 'Round the Old Oak Tree", performed by Tony Orlando and Dawn, as the sign a released convict requested from his wife or lover, to indicate that she still wanted him and that he would therefore be welcome to return home. He would be able to see it from the bus driving by their house, and would stay on the bus in the absence of the ribbon. He turned out to be very welcome: there were a hundred yellow ribbons.

From the Library of Congress:

In October of 1971, newspaper columnist Pete Hamill wrote a piece for the New York Post called "Going Home." In it, college students on a bus trip to the beaches of Fort Lauderdale make friends with an ex-convict who is watching for a yellow handkerchief on a roadside oak. Hamill claimed to have heard this story in oral tradition.
In June of 1972, nine months later, Reader&