例如，研究小组已经完成对西非部分地区防风林的研究。
For example, studies have been done on windbreaks in parts of West Africa.
西非国家对来自邻国的移民不加限制，这引发了大量人群跨越边界，涌入他国。 例如，从加纳到石油丰富的尼日利亚。
West African countries do not limit immigration from their neighbours, so lots of people cross borders, for example from Ghana to oil-rich Nigeria.
例如，每年的棉花补贴也许低于50亿美元，但每年却给西非棉花生产国带来了1.5亿美元的损失，这相当于其商品出口总额的10％。
Cotton subsidies, for example, may be less than US$5 billion a year, but they cost West African cotton producers US$150 million a year – equal to about 10% of their total merchandise exports.
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