Invisible trade can be as important to some nations as the export of raw materials or commodities is to others. In both case, the nations earn money to buy necessities.

• 无形贸易对一些国家来说很重要,就象另一些国家出口原材料或商品的重要性一样。国家在从事无形贸易或有形贸易中,都能赚取外汇去购买他们的必需品。