而旅游业对当地环境也有正反两方面的影响，如果开发得当，可以使当地的社会-环境-经济系统进入良性循环，反之，当地的生态平衡有被破坏的危险。
The local Society-Environment-Economy system can be made into the good balance because of tourism, otherwise, the local ecological balance perhaps will be in danger of demolishing.
旅游业可以繁荣经济，但一些人认为它也对当地的生态环境和文化造成破坏。
Tourism is a booming industry that supports economic development. However some people think that it causes too many damages to the local environment and culture.
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