In turn, international tourism became the concern of a number of world governments since it not only provided new employment opportunities but also produced a means of earning foreign exchange.

反之，国际旅游业也引起了一些国家政府的关注，因为它不仅提供了新的就业机会，而且创造了赚取外汇的手段。

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As the relics tourism became hot, however, a fierce debate began.

然而，遗址旅游的热潮也引发了激烈的争论。

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Toward the end of the twentieth century, tourism became an important industry.

到二十世纪末，旅游业成为重要产业。

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Tourism became an insidious influence on the debate between the party that wanted Venice to be a creature of its past which concentrated on conservation and restoration, and those who preferred to improve the quality of life even if that meant changing the face of the place.

ECONOMIST: Venice

It may be that Mr Trigano eventually became bored with tourism.

ECONOMIST: Gilbert Trigano

With its programmatic approach, based on a listing system and the use of revisable operational guidelines for its implementation, the 1972 Convention strengthened heritage conservation policies, and became the standard reference for including conservation policies as a means of development, largely through tourism.

UNESCO: Intangible Cultural Heritage