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然而，迄今为止，在全世界范围内，关于生态旅游的概念界定、规范和认证尚未达到统一，生态旅游的滥用和泛化问题也相当严重。
However, so far throughout the world, the concept, norms and certification of eco-tourism, have not yet reached uniform, eco-tourism abuse and generalization is also quite serious.
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