想法是这样的，随着太空旅行变得更普及，它能培育新的商业研究和探险旅游。
The idea is that as space travel becomes more common, it will foster new commercial research and adventure tourism.
由于其地理位置的特殊性——基洛·托阿火山口及其内部的湖泊，使得该地方已成为厄瓜多尔日益普及的旅游景点。
Because of its geographical peculiarities, the Quilotoa Crater and its Lake have become a touristic site of growing popularity in Ecuador.
随着社会经济增长及旅游活动的普及，旅游市场需求发生着快速变化。
With the development of economy and tourism, people's demand on tourist market changes rapidly.
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