精选优质文档-倾情为你奉上1、Each country has to import the articles and commodities it does not itself produce, and it has to earn foreign exchange to pay for them .It does this by exporting its own manufactured articles and surplus raw materials. (p1)每个国家都必须进口本国不生产的货物和商品，并要创收外汇以支付这些进口货物，这就要靠出口本国的制成品以及富余的原料。2、Manufacturers have to quote firm prices for many months ahead, but they run the risk of having to buy their raw materials in six months time at a price higher than that on which they based
