排在浮出水面的专家billnet后面，等会儿去看看能不能给你砖。

中国最近几年在非洲进行了数十亿美元的投资，其中大部分是为了确保中国蓬勃发展的经济获得所需要的自然资源。

In recent years, China has invested in African tens of billions of dollars, most of which are to acquire natural resources crucial for China's booming economy.