Legislation, regulation and licensing: Some of the more fundamental aspects of tourism sustainability, such as employees' rights, visitor safety, and hazardous discharges, have to be controlled by legislation.
立法、规章和许可证。 旅游业可持续性的若干比较基本的方面，例如雇员的权利、游客安全以及危险的丢弃物，必须由立法加以控制。