过去数十年，我们花费了数千万美元。
We're spending tens of millions of dollars over the decades.
从神经科学的角度，我们对记忆的了解在过去数十年里突飞猛进。
Our neurological understanding of memory has advanced by leaps and bounds over the past several decades.
但由于在过去数十年人口增加渐缓，人类消费的增幅也相对回落。
But the increase in human consumption has been slowing for decades as population growth moderates.
然而，新兴经济体看起来要比其自身过去数十年来的状况好的多。
However, the economies themselves look in better shape than for decades.
男性获得的工资在过去数十年里都是停滞不前，而女性工资已经上涨。
Male wages have stagnated over the past decades, while female wages have risen.
就2000年到2009年这十年来说，经济的增速较过去数十年偏低。
Taking the decade between 2000 and 2009 as a whole, growth was slower than in previous decades.
古典摇滚乐电台往往会在周末长假期选出过去数十年最受欢迎的金曲。
Classic rock radio stations will often dedicate long weekends to playing down the top songs of past decades.
目前全球对能源效率的重视，是过去数十年未见，甚至是前所未有的。
The emphasis around the world on energy efficiency has not been seen for decades - indeed, if ever before.
过去数十年，西方的领导者曾认为降低贸易壁垒和关税是一件自然的好事。
For decades, Western leaders have believed that lowering trade barriers and tariffs was a natural good.
研究人员过去数十年的卓越努力使我们在艾滋病病毒的防治上有了长足的进展。
With the remarkable work of researchers over the past decades, we have made incredible gains in the prevention and treatment of HIV.
不过大西洋时代的即将落幕也同样揭示了过去数十年欧美自己亲手造成的内伤。
But the impending end of the Atlantic Era also reflects the self-inflicted wounds that Europe and America have each suffered over the past decade.
总的来说，拉丁美洲和加勒比地区的妇女在过去数十年中已经取得了巨大的进步。
Overall, women have made enormous progress in Latin America and the Caribbean over recent decades.
里海的卡沙干油田是过去数十年间发现的最大的油田，当时预计在2005年投入生产。
The Kashagan oilfield in the Caspian Sea, one of the biggest discoveries in decades, was due to enter production in 2005.
过去数十年的研究表示一定数量的钱能让人们开心因为它能让人们的基本需求得到满足。
Studies over the last few decades have shown that money, up to a certain point, makes people happier because it lets them meet basic needs.
过去数十年来糖尿病患者在欧洲国家迅速增加(超过10倍)，特别是5岁以下的儿童。
There has been a rapid increase (greater than 10-fold) in type 1 diabetes in European countries in the past few decades, especially in children under five years.
在过去数十年，地下水以及为以色列、约旦和巴勒斯坦人供水的加利利海的水位已经被彻底地耗尽了。
Water levels in underground aquifers and the Sea of Galilee, which provide water for Israel, Jordan, and the Palestinians, have been drastically depleted over the last decade.
在过去数十年里，对国会的信任在持续及加速地下滑- - -起初还很缓慢，突然一下子就加剧了。
But consistently and increasingly over the past decade, faith in Congress has collapsed — slowly, and then all at once.
事实上，这可能甚至会促使该行业彻底抛弃过去数十年勉强运行的技术，提前推出最先进的核反应堆。
It may, in fact, even allow the industry to move beyond the creaking technology of the past few decades, selling state of the art reactors much sooner than it might have otherwise.
设计和兴建能在洋流湍急的恶劣条件下经受住考验的机器一直都是个难题，在过去数十年间，无论是国内还是国外，失败的例子总是屡见不鲜。
Designing and building machines that can survive the harsh conditions of fast-flowing ocean waters has been challenging and the past decades have seen repeated disappointments here and abroad.
她发现，丹麦的年轻妇女的自然受孕率比过去的数十年要很明显地低。
She found that young women in Denmark have a significantly lower natural conception rate than in past decades.
墨西哥湾在以最高速度自行分解原油，但是过去泄漏造成影响估计可能残留达数十年。
The Gulf itself is breaking down the oil at top speed, but past spills indicate the effects could linger for decades.
过去的数十年里，肿瘤生存率有着显著的提升。
Over the past few decades, cancer survival rates have significantly increased.
美国人的平均碳排放量和过去的数十年相比基本持平，而且在一些国家的人均的碳排放已经开始下滑，比如法国。
The amount of carbon emitted by the average American has remained fairly flat for the past couple of decades, and per capita carbon emissions have started declining in some countries, like France.
在过去的数十年里，科学家一直关注着宣威县的高肺癌发病率。
The high cancer rates in Xuanwei have attracted the attention of scientists for decades.
数十年的砍伐、采矿以及刀耕火种的耕作方法破坏了马达加斯加90%的森林，尽管其速度在过去二十年内有所放缓。
Decades of logging, mining and slash-and-burn farming have destroyed 90% of Madagascar's forests, though the rate has slowed in the past two decades.
然而许多研究表明在过去的数十年里喜马拉雅山的冰川在不断地减少。
Many studies suggest, though, that the Himalayan glaciers have been shrinking over the past few decades.
但仅仅因为过去如此就假定将来的数十年也会始终和平似乎并不明智。
But it seems unwise to assume that coming decades will be peaceful just because the last few have been.
但仅仅因为过去如此就假定将来的数十年也会始终和平似乎并不明智。
But it seems unwise to assume that coming decades will be peaceful just because the last few have been.
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