During decades there have been many people who have had sightings of strange lights in the sky.
几十年来，已经有许多人在天空中目击到奇怪的光点。
Without question, manufacturing has taken a significant hit during recent decades, and further trade deals raise questions about whether new shocks could hit manufacturing.
毫无疑问，近几十年来，制造业遭受了重大打击，而进一步的贸易协议引发了一些关于新的冲击是否会影响制造业的问题。
Research during the past several decades on the nature of language and the processes that produce and make it understandable has revealed great complexity instead of underlying simplicity.
在过去的几十年中，对语言的本质以及产生并使其易于理解的过程的研究表明，它具有极大的复杂性，而不是潜在的简单性。
But in recent decades, as less and less rain fell during the wet seasons, Tuareg families struggled to sustain sizable herds.
然而最近数十年，即便在雨季，雨水也越来越少了。图阿·格雷人尽力维持畜群的规模。
During those decades Europe suffered frequent unusually harsh winters, and the time was later termed the Little Ice Age.
在这几十年间，欧洲频繁遭受了罕见的严酷寒冬的袭击，而这段时期后来就被称为小冰河时代。
Squeezing natural-resources firms is hardly unprecedented—even in Australia itself, which imposed a surcharge on oil exploration decades ago during a prior boom.
压榨自然资源公司并不是史无前例的，即使在澳大利亚，他们也在经济繁荣前的数十年之前就对石油勘探征收了额外的费用。
Despite the diverging backgrounds and interests of youth and pop culture during those decades, MTV was the one thread holding together an entire age demographic.
尽管在这几十年中，青年和流行文化的背景和兴趣不同，音乐电视就像一根线，将整个时代的人们穿在一起。
While McDonald's has benefited from its global presence during the current recession, its worldwide advance began decades ago.
在当前的经济衰退中，麦当劳从其全球扩张中获益匪浅。它在数十年前已经开始进军全球市场。
But, Yousuf's ancestral village in western Herat province had suffered greatly during the decades of conflict.
但是，尤素夫土生土长、位于阿富汗西部赫拉特省的村子在几十年的冲突中饱受创伤。
It's been documented for decades in many nations, especially during long conflicts with many troops deployed.
许多国家几十年来都记录到这样的情况，尤其是大军集结的长期战役。
Moreover, during the past two decades, China has used pollution charges and other measures to keep both air and water pollution levels constant even as economic output has doubled.
中国在过去20年利用污染收费制和其他措施，在经济产出增长一倍的情况下使空气和水污染问题没有进一步恶化。
One apparent exception is the United States, where reported average happiness did not increase during the past three decades even though average incomes did.
美国却明显是个例外，即使在过去三十年里平均收入增加，但是公布的平均幸福度没有增加。
During the past two decades the education of women has been booming in practically all countries.
在过去的二十年中，几乎在所有国家女性教育都获得了蓬勃发展。
Thanks to research by the National Institutes of Health and academic scientists during the last three decades, we now have proven treatments for depression, addiction and other mental disorders.
多亏了国家健康研究所和学院科学家们在过去三十年中的研究，现在我们拥有可以治疗抑郁症、上瘾症以及一些其他精神失常症状的方法。
The OECD estimates that on today's polices, India can sustain annual growth of more than 8%, up from 3.5% during the three decades to 1980.
经济合作与发展组织估计根据目前的政策，印度经济能够以8%的速度持续增长，高于1980年代前三十年的3.5%。
During quizzes, Dr. St. Pierre now requires everyone to leave their books at the front of the classroom to prevent cheating, a precaution not taken during any of his two decades at Delaware.
在测试中，现在皮埃尔博士要求每个人把自己的书放到教室前面来防止作弊，在他之前的二十年特拉华生涯中没有采用一项这样的预防措施。
That Qian Xuesen’s exceptional genius grew during his two decades in the United States, where he did a Ph.D. and experimented widely, is forgotten.
而钱学森的特殊天才是他在美国的二十年间得以成长起来的，在那里他读了博士学位和并做了广泛试验，这一点已经被遗忘了。
During the network’s first three decades, most Internet traffic flowed through the United States.
在互联网诞生后的头三十年里，绝大多数互联网通路都经过美国。
It's a trend health experts say is effective in rapidly pushing out public health information, using technology not available during the deadly, worldwide flu outbreaks of decades past.
卫生专家说，使用高科技高效快速地传播公共卫生方面的信息是一种趋势。这在数十年前爆发世界范围内致命传染病时是可望而不可及的。
In fact, most countries have experienced sharp reductions in the gender gap in hourly earnings during the past several decades.
事实上，在过去的几十年间，大部分国家男女之间每小时收入的差距有了大幅度降低。
Many of these were underutilized or misused during its two decades as the world’s lone superpower.
作为世界上孤独的世界大国，二十多年来这些牌都没有充分利用或者被误用了。
As courts and legislatures have relaxed the regulation of marriage during the past several decades, marriage has become less distinctive as a legal matter, less a basis for the allocation of rights.
过去几十年，法院和立法机构已经放松了结婚的法规，婚姻作为法律事件显得不那么特别，也不再是权力分配的基础。
TOGAF 5 is an enterprise architecture framework that emerged during the last two decades with the objective of becoming a standard for EA development.
TOGAF5是在过去二十年间出现的企业架构框架，其目标是成为EA开发的标准。
This sprawling network of narrow streets and shops managed to escape major damage during Afghanistan's decades of war.
这里的街道狭窄、交织蔓延，店面林立，基于此，在阿富汗战事连连的年代里这里得到了很好的保护。
This sprawling network of narrow streets and shops managed to escape major damage during Afghanistan's decades of war.
这里的街道狭窄、交织蔓延，店面林立，基于此，在阿富汗战事连连的年代里这里得到了很好的保护。
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