The word "elder brother" is subordinate to elder brother. The word "elder brother" can mean "shouldering and shouldering", that is, serving the corvee; The "elder brother" caused by the superposition of "elder brother" and "elder brother" means "veteran serviceman who has served the corvee twice", and "owed" means upper body movements and chest movements. The addition of "elder brother" and "owed" means "veteran serviceman's chest movements" and "veteran serviceman expresses his mind with his voice", so the "song" is original.