Weak advertising, unstable regional conditions, a poor public image in some parts of the world, and absence of efficient planning schemes in the tourism sector have all hindered the growth of tourism.
薄弱的广告宣传、不稳定的地区条件、在世界一些地区的公众形象不佳以及旅游业缺乏有效的规划方案，都阻碍了旅游业的发展。