The UN has called for an immediate suspension of government-mandated US ethanol production, adding to pressure on President Barack Obama to address the controversial food-versus-fuel debate in the run-up to presidential elections.
联合国(UN)呼吁美国立即暂停政府指令的乙醇生产，这将加大美国总统巴拉克•奥巴马(Barack Obama)面临的压力，要求他在大选前应对有争议的“食品还是燃料”辩论。
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