Rather than diversification of commodity patterns of trade, in several countries concentration has increased over the past decade; only a few countries have made tangible progress in diversification, primarily based on agro-business.
在一些国家，过去十年的初级商品贸易格局不但没有多样化，反而更加集中；只有少数国家在多样化方面，主要是在农商方面取得了实质性进展。