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全球化类 > 180 旅游发展优劣

180 These days an increasing number of developing countries are improving their tourism industries. Why do you think this is the case? Is this a positive or a negative development?现在越来越多的发展中国家在不断发展他们的旅游业。你觉得为什么会这样?这是积极地还是消极的发展?

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