有一些主要的威胁,他们会破坏或者阻止城市旅游业的发展,这些威胁可以分成几类,包括经济威胁、环境威胁和社会威胁,这些挑战是非常个性化的,每个不同的城市有不同的挑战,这些城市会实现真实性,标准化和产品的透明化,会让城市旅游变得越来越易于交换。而在很多城市已经面临着很高的竞争,这种 There are some major threats that they will undermine or prevent the development of urban tourism. These threats can be divided into several categories, including economic threats, environmental threats and social threats. These challenges are highly personalized and each has a different The challenge is that cities will be authentic, standardized and product transparent, making urban tourism increasingly easier to exchange. In many cities already facing a high degree of competition, this