Now, over the last century, we tend to think of commodity exchanges as the purview of Western industrialized countries, and that the reference prices for cotton, coffee, cocoa -- products produced mainly in the south -- are actually a reference price, or a price discovered in these organized commodity exchanges in the northern countries.
如今，回顾上个世纪， 我们趋向于认为商品交易所是 西方工业国家的特权。 而棉，咖啡，可可的参考价格， 这些主要产于南部的产品， 实际上是在北方国家这些有组织的商品交易所 定的参考价格，或者价格。