Land-poor china has effectively expanded its arable land by 39 % by outsourcing its farming to the americas .
土地匮乏的中国通过把农业项目外包到美洲地区，实际上相当于把耕地面积扩大了39%。
The agriculture ministry says that only 22 % of potential arable land in a vast country is cultivated .
农业部说这么一个土地辽阔的国家只耕种了22%的潜在耕地。
Corporations , investment funds and other nations with little land see vast potential in a continent which uses less than a quarter of its 500 million hectares of arable land .
公司、投资基金和其他土地稀少的国家看到了非洲大陆的巨大潜力，5亿公顷的可耕地只用了不到四分之一。
Across africa and the developing world , a new global land rush is gobbling up large expanses of arable land .
