The 21st century is the era of rivalry among world cities - a rivalry is based on culture.

21世纪是世界城市大竞争的时代，这种竞争是基于文化的一种博弈。

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Readers of Travel + Leisure were asked to rank 266 world cities on a range of categories including "the friendliness of their people".

旅游杂志《旅行+休闲》邀请读者对全球266个城市进行“城市居民的友好程度”等方面的排名。

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This year, 26 major world cities and more than 300 other cities and towns have signed up for the event.

今年，世界26个主要城市和300多个城镇加入了这次活动。

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An American stuck in London, already one of the world's highest priced cities, found that her hotel had doubled its prices.

VOA: special.2010.04.23

The city, as Aristotle understands, will always exist in a world with other cities or other states, based on different principles that might be hostile to one's own.

城市，如亚里士多德所认为，将永远会,和其它城市或国家同时存在，根于不同的管理原则,可能还会对自己人怀有敌意。

耶鲁公开课 - 政治哲学导论课程节选

There is an expansion of the Greek world already by the tenth century, and these folks are now settled down, so that some of these cities are in fact among the most important cities sending out colonies of their own.

希腊世界不停地扩展,一直到10世纪,那些逃亡者才安定下来,因此,这当中的,一些重要城市都拥有自己隶属的殖民地

耶鲁公开课 - 古希腊历史简介课程节选

Beijing was merely following the path of other world cities, such as London, Paris and New York, he said.

CNN: Beijing's past faces its future

London has been selected to host a race in the debut Formula E series, which will see electric cars race around major world cities.

BBC: London to host Formula E electric car race in 2014

The shot-blasted, satin-brushed and polished rotating bezel bears the names of 24 world cities, symbols of the international 24 time zones on its brown upper flange.

FORBES: Richard Mille RM58-01 Tourbillon World Timer