The third part is merger of the debt of the revenue from tax.

论文的第三部分是税收之债的竞合,这也是本文写作的重点.

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Mainly elaborate the contribution of the tour industry to the national economy and revenue from tax.

主要阐述了旅游产业对国民经济的经济贡献和税收贡献.

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But it also put forward a huge challenge to the revenue from tax.

但它同时也对税收提出了巨大的挑战.

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