Rock art is found all over the world and this in itself is not surprising.

世界各地都有岩石艺术，这本身并不奇怪。

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Today, Chris Rock still does live comedy shows around the world.

今天，克里斯·洛克仍然在世界各地进行现场喜剧表演。

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This in itself is an almost incomprehensible span of generations, and one that makes Australia's rock art the oldest continuous art tradition in the world.

这本身就是一个几乎难以理解的跨越几代人的过程，这使得澳大利亚的岩石艺术成为世界上最古老的持续的艺术传统。

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So the city is proud of its latest nickname, The Rock and Roll Capital of the World.

VOA: special.2010.03.21

For example, nowhere in the world would people consider eating a rock, because a rock is non-food across all cultures; but aside from that, there's great variability and so social construction part of this is very important.

举例来说,世界上没有哪里的人会想吃石头,因为不管在哪种文化中,石头都不能当做食物,但是除此之外,各地的食物丰富而多样,所以社会意识是非常重要的一部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But in the nineteen sixties, the expression rolling stone became famous in the world of rock-and-roll music.

VOA: special.2010.10.17

Until recently, Ramos focused on the rock world, whether fronting rock bands or singing backup on rock records.

CNN: The not-so-slight return of Jimi Hendrix

The Raconteurs recently awakened the rock world with the surprise release of a second album, called Consolers of the Lonely.

NPR: The Raconteurs: New Music for Old Friends

The rock world generally expects artists to compose their own material.

NPR: Sun Kil Moon: 'Tiny Cities'