此外，气候变化可能会转变生产方式，一些面积较小的土地将会变得贫瘠，目前贫瘠的土地将会投入生产，一些国家将增加进口，同时其他国家会增加出口。

And climate change will probably shift patterns of production; some marginal land will become infertile; land now barren will come into production; some countries will import more, others export more.

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