Briefly describe the characteristics of international shipping

1. Shipping is the main mode of international trade transportation. Due to the unique geographical conditions in the world and the rise of containers, shipping has become the focus of international trade.
2. Shipping by sea can save the country's foreign exchange expenditure and increase foreign exchange income. Generally, countries with developed shipping are very active in building their own fleets and focusing on overseas cargo transportation. Foreign exchange earnings have also become an important pillar of these countries.
3. Shipping is beneficial to improve the country's industrial structure. Shipping is mainly realized by sea activities, and sea activities are inseparable from ship manufacturing, navigation technology, seaman training, etc., which can help promote the development of industry, manufacturing, electronic technology, and waiters, and improve the country's industrial structure.