The three metropolitan tourism belts in America shaped with New York, Los Angeles and Chicago as centers, and they formed in the process of American urbanization.
以纽约、洛杉矶、芝加哥为核心的美国三大都市旅游带，是伴随着美国城市化的形成而出现的。
Wild plants and habitats are disappearing due to urbanization, tourism activities, overgrazing, expansion of agricultural land, and lack of attention to natural heritage and ecosystem services.
城市化、旅游活动、过度放牧、农业用地的扩张以及缺乏对自然遗产和生态系统服务的意识都是导致野生植物与栖息地的消失的重要原因。
The concept of urbanization and tourism vacation belt around city are the main content of this chapter.
城市化与环城市旅游度假带相关概念体系是本章的主要内容。
The concept of urbanization and tourism vacation belt around city are the main content of this chapter.
城市化与环城市旅游度假带相关概念体系是本章的主要内容。
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