| 1. | Through the comparison between ours and the other developed countries in tourism concerning industry concentration in the travel agency , we could find that the underdeveloped status of our industrial concentration in travel agency greatly restrict the development of our tourism 在通过与我国其他产业和与世界旅游发达国家旅行社产业集中度的比较后发现,我国旅行社业的产业集中度不高,发展水平低下,制约了我国旅游产业的发展。 |