Today, the tourism industry has become a very important component of the world's economic system. The tourism industry has thus rapidly grown to become a key product in the international trade system.
Today, the tourism industry has become an important component of the global economy. The tourism industry has rapidly developed into a major product of the international trading system.
At present, tourism has become an extremely important compound in the world economy, and tourism has rapidly developed into a major commodity in the international trade system.