Air pollution is a big problem for cities in most countries.
对大多数国家的城市而言，空气污染是一个大问题。
For cities, the law can be crudely expressed as the “rank-size rule”.
对城市来说，这个法律可以被笼统地表达为“秩规模规则”。
But more water is being drawnfrom them for cities, irrigation and the processing of oil from tarsands.
一方面却有更多的河水被抽走，供应城市、灌溉和沥青炼油所需。
To that end, the raft of new laws passed last fall calls for cities to cut water use 20 percent by 2020.
为此，去年秋天通过了大量新法，要求在2020年以前将城市的用水量削减20%。
Following the meeting, a guide and checklist were produced for cities to use to assess their "age friendliness".
会后编写了一份指南和核对表，供各城市评估其“关爱老人”程度。
We're looking at at least another two or three years of very troubling fiscal signals for cities and municipalities.
各个城市和自治区中，纷繁复杂，麻烦棘手的财政信号比比皆是，为此，我们将至少再花上两到三年时间，对其进行观察。
It took another six millennia, to the days of classical antiquity, for cities of more than 100, 000 people to develop.
又经过了大约6千年，直到传统古典时期，超过100,000的人口为规模的城市才逐步出现。
In his book, he gives way to traffic behaviorist Alan Pisarski, who blames affluence for cities jammed with narcissists in BMWs.
在他的书中，他让路于交通行为学家Alan Pisarski，他责备城市富裕阶层由于陶醉于宝马上而阻塞城市交通。
As for cities, those most at risk are Calcutta in India, Manila in the Philippines, Jakarta in Indonesia and Dhaka and Chittagong in Bangladesh.
以城市论，处境最危险的是印度的加尔各答、菲律宾的马尼拉、印度尼西亚的雅加达和孟加拉的达卡和吉大港。
A study by research group Centre for Cities found that up to 290, 000 graduate jobs could be lost in the public sector by 2014. Photo: bloomberg.
英国研究机构“城市中心”(Centrefor Cities)的一项研究发现，到2014年，大学毕业生可能在公共部门失去29万个就业机会。
It should also be possible for cities to top up the family grant. Rio DE Janeiro is designing a new programme, called Bolsa Carioca, to do exactly that.
对于城市来说，为家庭补助金充值也不是不可能，里约热内卢正在计划一个叫做Bols aCarioca的项目实现这一计划。
LEDs aren't cheap, but a new study from the University of Pittsburgh found that they offer the best green alternative for cities in a lifecycle analysis.
LED并不便宜，但是匹兹堡大学的最新研究发现，他们能够为那些有生命周期研究分析的城市提供最佳的绿色替代品。
According to the Centre for Cities, a think-tank, welfare benefits account for 28% of residents' total income in Liverpool, compared with 14% in London.
根据一家名为“城市聚焦”的智囊机构所做的调查，福利性收入占利物浦居民全部收入的28%，却只占伦敦居民全部收入的14%。
Of the 20 cities IBM surveyed, Toronto tied Moscow for 2nd place for cities with the highest percentage of people who say traffic has worsened in the past three years.
在二十个城市中，多伦多市中认为交通状况在三年之内变得更差的受访者比例很高，仅次于莫斯科，排名第二位。
The feasibility of such an initiative for cities remains to be seen, researchers caution, but the idea has been backed by U.S. Energy Secretary Steven Chu and other policymakers.
研究人员提醒说，对于城市来说，这种倡议的可行性还有待观察，但是这个想法曾经得到美国能源部长朱棣文及其他决策者的支持。
Given the obvious unfairness of Amazon's tax status-and given the clear loss in revenue for cities, counties, and states-you might wonder whether it is in some sense unethical to shop at Amazon.
知道了亚马逊免税地位明显不公，又知道城市、州和联邦财政收入无形中缩水了，你是否会觉得自己在亚马逊里买东西有点不道德。
Five other cities had been competing for the honour of staging the Games.
另外五个城市一直在为赢得该运动会的举办权而相互竞争。
"It's not going to fix everything, but adaptive signals have some benefits for smaller cities," he says.
“它不会解决所有问题，但自适应信号对小城市有一些好处。”他说。
It also offers people a better choice for short journey in cities, especially when people can't find a bus or the underground to take.
它也为人们在城市的短途旅行提供了更好的选择，特别是在人们找不到公交车或地铁可以乘坐的时候。
Tour highlights include the Roman city of Dougga, the underground Numidian capital at Bulla Regia, Roman Sbeitla and the remote areas around Tataouine and Matmata, uique for underground cities.
旅游亮点包括罗马的杜嘉城，位于布拉雷加的Numidian地下首都，RomanSbeitla，以及塔塔旺和Matmata周围的偏远地区，这些都是地下城市。
German cities set a world record for collective hula hoops.
德国城市创下集体转呼拉圈世界纪录。
San Jose was among the best cities in America for poor kids to move up the social ladder.
圣何塞是美国最适合贫困孩子实现阶级跨越的城市之一。
My vote for the most important cities in the world in the period leading up to 2000 B.C. would be Ur, Iraq.
我认为在公元前2000年之前的世界上最重要的城市是伊拉克的乌尔。
My vote for the most important cities in the world in the period leading up to 2000 B.C. would be Ur, Iraq.
我认为在公元前2000年之前的世界上最重要的城市是伊拉克的乌尔。
In the cities vast crowds have been demonstrating for change.
在各城市，已经有大量的群众举行示威游行要求变革。
Big cities have special attractions for people, for example, they can easily get a job to make a living.
大城市对人们有着特别的吸引力，比如，他们容易找到工作谋生。
Big cities have special attractions for people, for example, they can easily get a job to make a living.
大城市对人们有着特别的吸引力，比如，他们容易找到工作谋生。
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