向中国，印度，欧洲和美国出口原材料是非洲最近经济飙升的一个关键因素，但这种出口可能受挫，因为全球经济下滑意味着每个地区都会减少消费。
And exports of raw materials to China, India, Europe, and the US – a key factor in Africa’s recent growth surge – may suffer simply because the global slowdown means less consumption everywhere.