从 1 947年春到 1 949年全国解放前夕 ,随着人民解放战争形势的迅猛发展和中国革命最后胜利的即将到来 ,华北老解放区分两次派出大批干部南下 ,支援全国解放战争和新解放区的开辟。南下干部越山过江 ,分赴祖国南方的广大地区 ,他们中间既有党委、政府机关的干部 ,也有编辑、翻译、记者和熟悉城市工作的各种人员 ,他们为新中国的诞生谱写了一曲奋进的乐章 From the spring of 1947 to the year 1949 before the liberation of the country, with the rapid development of the situation in the People’s Liberation War and the forthcoming victory of the final victory of the Chinese revolution, the old liberation in north China dispatched a large number of cadres to go south twice to support the opening up of the National Liberation War and the new liberated areas . Southern cadres crossed the mountains and traveled vast areas in the southern part of the motherland. Among them were cadres from party committees and government agencies as well as editors, translators, journalists and people familiar with urban work. They wrote a song for the birth of New China Endeavor movement