Tourism is yet another important form of invisible trade. Many countries may have beautiful scenery, wonderful attractions, places of historical interest, or merely a mild and sunny climate. these countries attract large numbers of tourists, who spend money for travelling, hotel accommodations, meals, taxis, and so on. Some countries depend heavily on tourism for their foreign exchange earnings, and many countries arc making great efforts to develop their tourism.
【正确答案】：旅游是无形贸易的另一个重要形式。许多国家可能有美丽的风景、名胜古迹或只是温和而充满阳光的气候。这些国家吸引着大批旅游者，这些旅游者花钱旅行、食宿、乘出租车等。有些国家在很大程度上依赖旅游业赚取外汇收入，而且许多国家正在积极努力发展旅游业。
