Commemoration meeting of the 20th anniversary of china association for african affairs held in beijing 中国非洲问题研究会成立20周年纪念会隆重召开
2.
It contains twenty - five percent of all the members of the general assembly we didn ' t even have a bureau of african affairs until 1957 它在全体大会的所有成员中占了百分之二十五，而在1957年以前我们还没有一个负责非洲事务的机构。
