求翻译：作为国际贸易服务的重要组成部分，入境旅游业已经成为一个重要的世界贸易种类。因入境旅游所产生的出口总收入，包括旅客交通运输出口，在2010年已超过10000亿美元。旅游业出口总量占世界整体商品和服务出口的6%，占世界商业服务出口近30%。在全球范围内，旅游业排在燃油、化工产品和汽车业之后，已成为世界第四大出口贸易种类。是什么意思？

As an important part of international trade services, inbound tourism has become an important world trade types. Due to the entry of total export earnings generated by tourism, including the export of passenger transport, over one trillion U.S. dollars in 2010. The tourism industry's total exports a

As an important component of international trade in services, and inbound tourism has become an important world trade categories. Tourists from the total export earnings, including passenger transport exports, in 2010, has been more than $1,000,000,000,000 . Tourism in the world total exports overal

As the international trade service important constituent, entered a country the tourism already to become an important world trade type.Because enters a country the exportation gross income which the traveling produces, including the passenger transportation exportation, has surpassed 1,000,000,000,

As an important component of international trade in services, inbound tourism has become an important kind of world trade. Export income arising from the inbound tourism, including exports of passenger transportation, has been more than $ 1 trillion in 2010. Tourism exports 6% per cent of total expo

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