Zheng, my first blogger friend who was a teacher in a remote city, now is working as chief operating officer of a social networking website.

比如Zheng，他原本只是一名普通的教师，现在已经是一个社交网站的运行主管了。

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This problem involves determining the number of routes available to an emergency vehicle operating in a city of one-way streets.

本问题是要来计算：在一个所有街道都为单行线的城市中，一辆急救车可以通行的路径的数量。

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The rankings are listed on the basis of five main indices of a city: talent index, index of city scale, operating cost index, passenger and freight transportation index and index of capital vigor.

其主要研究指标包括人才指数、城市规模指数、经营成本指数、客运和货运指数以及资本活力指数。

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But it was still interesting to watch and to see unfold So, now I had this picture of real-live data of a real-life city operating in front of me.

但是看着这些事物一点点展开非常有趣,现在我得到了现实的城市里,现实生活的数据就在我面前运转。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

At the municipal level, the pioneer operating on a grand scale is the city of Philadelphia.

FORBES: Smart Communities will Build Green Infrastructure

Samson stressed that the port authority was committing to operating Atlantic City International Airport for a limited amount of time with an option to eventually purchase the SJTA's interests in the airport.

WSJ: Port Authority approved to take over AC airport

Executives from Research in Motion have gathered for a six-city, simultaneous launch of BlackBerry 10, a mobile operating system that will power a new series of phones (and who knows what else).

FORBES: Live Blog: BlackBerry 10 Launch