Commodities are the lifeblood of the global economy, building blocks such as oil and iron ore and copper and corn and wheat. The prices of these commodities is hugely significant. High prices of oil and food can cause economic distress and hunger. But then low prices can damage the developing nation…商品就好像全球经济的生命线——石油，铁矿石，铜，玉米和小麦，这些商品就是维持生命的关键。这些商品的价格极端重要。石油和食品的高价会导致经济萧条和饥荒。但是低价会对大部分生产这些产品的发展中国家造成伤害。去年，商品价格跌宕起伏。交易这些产品的一些金融投资商们损失惨重。当然，也有争议说这些投资商们采取不…
发表于 2016-8-2 11:01:18
