Developed regions should assist and stimulate the development of underdeveloped regions in various ways. 发达地区要采取多种方式帮助和带动欠发达地区。
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. 非洲的问题尤其突出,各种疾病的肆虐,使得非洲大陆的早产儿死亡率高达其他欠发达地区的两倍。