因为商队只能通过水路和山脉进入沙漠，贸易就成为了中东城市的主要经济支柱。
Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges.
艾森豪威尔州际高速公路以新的方式将各州联系在一起，并通过降低商业的排他性促进了主要经济增长。
Eisenhower's interstate highways bound the nation together in new ways and facilitated major economic growth by making commerce less exclusive.
该报道提到主要经济大国的进出口额增加了。
The report notes that export and import volumes picked up in leading economies.
自2008年全球经济崩溃以来，经济复苏初现苗头，但在卫生和教育等关键指标方面，主要经济体的经济状况仍持续下滑。
Yes, there has been a budding economic recovery since the 2008 global crash, but in key indicators in areas such as health and education, major economies have continued to decline.
自2008年全球经济崩溃以来，经济复苏初现苗头，但在卫生和教育等领域的关键指标上，主要经济体的状况仍持续下滑。
There has been a budding economic recovery since the 2008 global crash, but in key indicators in areas such as health and education, major economies have continued to decline.
主要经济代价源自职业父母或监护人缺勤在家照顾孩子。
The main economic cost arises from absenteeism of working parents or guardians who have to stay home to take care of their children.
本文将侧重介绍影响游戏运营的几个主要经济因素。
This article looks at some of the factors that impact the cost of operating that game.
但是当心了，那些在家庭中成为主要经济支柱的女性更易付出离婚的代价。
But beware. Women who become the chief breadwinners in their domestic partnerships are more likely to pay the price with divorce.
该系统的主要经济之处在于它能移动列车的车厢而不必将它们脱钩分开。
The main economy of the system stems from the ability to move cars in a continuous train without uncoupling.
你让我同意说中国经济完不成已经确定的主要经济目标，那是不可能的。
It's impossible for me to side with you and agree that China is unable to meet the decided target.
我国已步入知识经济社会的门槛，知识经济正逐渐成为我国社会的主要经济形态。
China has stepped in an era of knowledge economy. Knowledge economy is becoming a major economic form of our society.
也许是为了强调这一点，奥巴马将不会出席布什11月15号在华盛顿主持召开的主要经济峰会。
Perhaps to underscore that point, the president-elect will not be attending the major economic summit Mr. Bush is hosting in Washington on November 15th.
杂交育种技术是培育优良树木品种的有效方法，在主要经济树木育种中已得到广泛的应用。
Crossbreeding as a effective way to cultivate excellent trees variety has been extensively applied on major economic trees breeding.
自1991年以来，澳大利亚是唯一的没有遭遇经济衰退的主要经济强国，可它一直背负着非常大的经常项目逆差。
Australia is the only major developed economy not to have experienced a recession since 1991, and yet it continues to run very large CA deficits.
同样，当中国拥有世界最大外汇储备时，假设为世界主要经济俱乐部的G7讨论其汇率问题就没有道理，况且中国都不是其成员。
Similarly, it does not make much sense for the G7, supposedly the world's main economic club, to discuss currencies when China, which holds the largest official reserves, is not a member.
研究人员们坦言尚不明确导致这一问题的原因，但这可能是由于男性因不能成为家庭的主要经济支柱而自尊心受挫所致。
Researchers admit that the reason is unclear, but it may be that male pride is wounded by not being the biggest earner in the household.
精神病学家们预测说，男人们的未来很灰暗：他们正在摒弃喜怒不形于色的形象，而且越来越多的女性成了家庭的主要经济支柱。
Men face a depressing future as their stiff upper lips start to crumble and more women become breadwinners, psychiatrists predict.
拿杰米•塔蒂来说，当时选择放弃家庭主要经济支柱的角色以及额外的收入，对我而言真的非常困难；“直到现在我也没有完全适应。”
For Jaime Tardy, giving up her role as her family's primary breadwinner, and the extra cash, was tough: "I'm still not 100% over it."
对自有住宅的主要经济论点，用布兰德斯大学（Brandeis University）托马斯·夏皮罗的话说就是“目前为止唯一最重要的家庭财富积累方式”。
The main economic argument for home ownership is that, in the words of Thomas Shapiro of Brandeis University, “it is by far the single most important way families accumulate wealth”.
沙曼说：“八国集团和主要经济论坛达成一致立场的只是讨论2050年的目标。”到2050年还有很长的一段时间，可能几乎没有任何八国集团的领导人能活到那个时候。
"What the G-8 and the major economies forum agreed [to] was only to talk about the targets for 2050, which is a long way off and probably hardly any G-8 leaders will be alive at that date," he said.
看来可以预见的是，北非经济仍会主要面向欧洲。
It seems almost inevitable that North African economies will still be primarily oriented toward Europe.
这个热带地区的经济主要以农业为基础。
人类环境的保护和改善是影响到世界人民幸福和经济发展的主要问题。
The protection and improvement of the human environment is a major issue which affects the well-being of peoples and economic development throughout the world.
旅游业本身的多样性和碎片化是其隐藏或掩盖其经济影响的主要问题。
The major problems of the travel and tourism industry that have hidden, or obscured, its economic impact are the diversity and fragmentation of the industry itself.
它是第一个从国家科学院所确定的可持续性主要目标，即从生产力、经济效益和环境这几方面来比较有机农业和传统农业。
It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.
在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
这就是我写这本书的原因，这本书主要讨论的是在未来社会，当技术给我们曾经认为高收入的工作带来破坏性的变化的时候，应该如何重新规划未来的经济结构。
That's why I wrote this book, which is about how to reorganize the economy for the future when technology brings about destructive changes to what we used to consider high-income work.
这就是我写这本书的原因，这本书主要讨论的是在未来社会，当技术给我们曾经认为高收入的工作带来破坏性的变化的时候，应该如何重新规划未来的经济结构。
That's why I wrote this book, which is about how to reorganize the economy for the future when technology brings about destructive changes to what we used to consider high-income work.
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