Commodity prices have reached a two-year high since falling sharply during the world financial crisis.
自金融危机以来，商品价格已达到近2年新高。

Hard commodities are materials like iron ore, oil and gold. Agricultural products are soft commodities. These include wheat, cotton and rice.
硬商品包括铁矿石、石油和黄金等原料。农产品是软商品，包括小麦，棉花和大米。

Gold prices have reached record levels in recent months.

近几个月，黄金价格已创历史新高。

futures contract 期货合约

futures markets 期货市场

the least developed countries 最不发达国家

let them gain from world trade 使其从国际贸易中受益