In fact, in the early 2000s, some cities started to build barrier-free facilities for disabled people.
事实上，在21世纪初，一些城市开始为残疾人修建无障碍设施。
Movement in some cities comes to a virtual standstill as motorized traffic competes with bicycles and pedestrians.
由于机动车与自行车和行人争抢，一些城市的交通实际上陷入了停顿。
Recent studies of ancient Maya water management have found that the urban architecture of some cities was used to divert rainfall runoff into gravity-fed systems of interconnected reservoirs.
最近对古玛雅水资源管理的研究发现，一些城市的城市建筑被用来分流降雨径流到相互连接的水库的重力补给系统中。
Some cities are also taking action.
一些城市也在采取行动。
In some cities, the air is filled with pollution.
在一些城市，空气中充满了污染。
Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference.
德克萨斯农工大学交通研究所的研究工程师凯文·鲍克说，虽然智能交通灯对一些城市特别有帮助，但有些城市太拥挤了，只有大幅减少道路上的汽车数量才能有效改变拥堵的局面。
Some cities have plunged in the rankings since the "Great Recession".
自“大衰退”以来，有些城市的排名有所下降。
Although some cities such as Las Vegas and Miami saw quantity bubbles as well.
虽然如拉斯维加斯和迈阿密等城市也同时出现了数量泡沫。
Some cities renowned for their singles bars and hook-up scenes were also low in the ranking.
一些以单身酒吧和谈情说爱的场面出名的城市也排在后面。
Some cities have a number of clubs where boys and girls can go to play games or learn crafts.
一些城市中有许多俱乐部，男孩和女孩可以去那里玩游戏或学手艺。
Some cities have dozens of attractive condominium listings selling for $50,000 or $25,000.
有不少城市现在都有至少几十套很有吸引力的公寓以50,000美元甚至25,000美元的价格出售上市。
In some cities, people who have paid their mortgages for a decade have little or no home equity.
一些城巿，好些付按揭十年的人手头上只有少许，或没有房屋抵押资产了。
Some cities, such as London, San Francisco and Washington, DC, have already opened their data vaults.
有些城市已经打开了其信息资源库，如英国伦敦、美国旧金山与华盛顿特区。
Some cities, like Boston, have adopted a desperate solution to put a roof over people's heads: motels.
一些城市，比如波士顿采取了应急方案：利用汽车旅馆以解决他们的栖身之所。
Some cities, like Boston, have adopted a desperate solution to put a roof over people’s heads: motels.
一些城市，比如波士顿采取了应急方案：利用汽车旅馆以解决他们的栖身之所。
In some cities, such as Paris, the reaction to random death had been a "why bother?" collapse of morals.
在有些城市，比如巴黎，人们对这种无序死亡的反应已经演变成道德的崩溃：“活在当下！”
At the same time, some cities are making it more difficult for couples to add a spouse's name to the deed.
与此同时，在一些城市夫妇要在契约上增加配偶的名字变得越来越难。
Some cities in the rich world, too, have been much more successful than others at exploiting globalisation.
一些发达国家的城市，在利用全球化方面较其它城市也更成功。
Some cities in these countries report that nearly 15 percent of hospitalized cases have required intensive care.
据这些国家的有些城市报告，近15%的住院病例需要重症监护。
Some cities are appealing to their citizens-to help at a youth centre, for example, when its budget has been cut.
比如预算削减以后，一些城市呼吁市民到青年中心帮忙。
When it comes to population density (the number of people per square mile), some cities really push the envelope.
当涉及到人口密度(每平方英里上的人数)，一些城市真的要被挤爆了。
Some cities deep in the Chinese mainland resemble San Francisco, with sparkling night lights on high-rise buildings.
有些深在内陆的城市，像三藩市那样，高楼大厦在夜间灯光闪闪。
Some cities have begun allowing residents to "adopt" traffic circles, boulevards and other pieces of public property.
有些城市已经开始允许居民承包些交通地带，林荫道以及其他一些公共地带。
Some cities have started cutting down ginkgoes, while others are standing by their trees and even planting more of them.
有些城市已经开始砍除银杏树，不过也有些城市还是喜欢，甚至愈种愈多。
[font=Verdana]Some cities in the rich world, too, have been much more successful than others at exploiting globalisation.
一些发达国家的城市，在利用全球化方面较其它城市也更成功。
In some cities, like Atlanta, this has meant a quick increase in pollution and traffic congestion as its population has grown.
在象亚特兰大这样的一些城市，随着人口的增加，也同时意味着污染和交通阻塞的日益严重。
In some cities, like Atlanta, this has meant a quick increase in pollution and traffic congestion as its population has grown.
在象亚特兰大这样的一些城市，随着人口的增加，也同时意味着污染和交通阻塞的日益严重。
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