The World Bank is taking the rare step of encouraging developing countries to buy insurance in the derivatives markets against sudden changes in food prices with a deal that should allow the nations to hedge some $4bn (€2.8bn) worth of commodities.
世界银行(World Bank)达成一项协议，允许各国对总价值40亿美元（合28亿欧元）左右的大宗商品进行对冲。世行采取了罕见的举措来鼓励发展manbetx3.0 家在衍生品市场购买保险，以应对粮食价格的剧烈变动。
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