Developed regions should assist and stimulate the development of underdeveloped regions in various ways. 發(fā)達地區要采取多種方式幫助和帶動(dòng)欠發(fā)達地區。
And a substantial component of that burden is because of the high levels of child maotalage mortality in Afric Africa compared with to other regions. 非洲的問(wèn)題尤其突出，各種疾病的肆虐，使得非洲大陸的早產(chǎn)兒死亡率高達其他欠發(fā)達地區的兩倍。
