过去三十年来，退休年龄人口在劳动力中的比例翻了一番。
The percentage of retirement-age people in the labor force has doubled over the past three decades.
在过去三十年里，我们国家经历了巨大的变化。
Our country has experienced great changes in the last 30 years.
中国过去三十年来在减贫方面取得的巨大成功广为人知。
China's dramatic progress in poverty reduction over the past three decades is well known.
中国在过去三十年的非凡经济表现让它成为全球玩家。
China's remarkable economic performance over the past three decades has made it a global player.
在太平洋，菱皮龟的数量在过去三十年呈直线下降的情况。
In the Pacific, the number of leatherback turtles has plummeted in the last three decades.
中国过去三十年空前的经济增长已经付出了巨大的环境代价。
China's unprecedented economic growth over the past 30 years has come at a huge cost to the environment.
如果我们觉得过去三十年的变化很大，以后的变化会更大。
Because if we think the changes of the last 30 years have been dramatic, this I believe is only a foretaste of what is to come.
在过去三十年里，其他四次联邦调查都无法阻止这个下降趋势。
Four other federal inquiries held over the past three decades have failed to halt the decline.
两天后，一场过去三十年最严重的地震袭击了中国西南的四川省。
Two days later, one of the worst earthquakes in three decades pummeled China's southwestern Sichuan province.
过去三十年出现了30多种新型人类传染病，其中大部分源自动物界。
More than 30 new human infectious diseases have emerged over the past three decades, most of them originating in the animal world.
在过去三十年左右的时间里，科学家已可以观测到越来越远的太空。
In the past thirty years or so, scientists have been able to "see" farther and farther into sky.
但是你可以在过去三十年的每个十年里选择十名艺术家，这样就足够了。
But you would choose 10 from each decade of the last thirty years, this would be enough.
在过去三十年，东亚的城市扩张和快速工业化导致能源消费量增加了两倍。
Growing cities and rapid industrialization has seen a trebling of energy consumption in East Asia over the past 30 years.
IMF表示，过去三十年曾经发生过40多次类似的进行重大变动的时刻。
The IMF says there have been 40 occasions in the last three decades where such large changes have been made.
去年，美国牛肉生产商赞助的一项研究发现，在过去三十年，该行业对环境的影响有所下降。
Last year, a study supported by American beef producers found that their industry's environmental impact has decreased over the past thirty years.
在过去三十年中，丰田以其耐久，可靠，便宜的特点，在大多数美国人中赢得了声誉。
Over the last three decades, Toyota built its reputation around the most American of traits: durability, reliability, affordability.
计算机以前是很昂贵的，过去三十年曾以执行每条指令的费用来衡量计算机的价格。
Computers were expensive. Cost per instruction executed can be can be used to compare the cost of computers over the last three decades.
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。
One apparent exception is the United States, where reported average happiness did not increase during the past three decades even though average incomes did.
过去三十年，家庭储蓄率骤降，这个事实并不能说明美国人被收入波动更大这一鬼怪所吓坏。
The fact that household saving rates have plunged in the past three decades does not suggest Americans are terrified by the spectre of more variable incomes.
但是，即使是在温暖、舒适、平等的欧盟，女性的幸福感相对男子在过去三十年中已经下降。
But even in the warm, nurturing, egalitarian European Union, female happiness has fallen relative to men's across the last three decades.
但是，即使是在温暖、舒适、平等的欧盟，女性的幸福感相对男子在过去三十年中已经下降。
But even in the warm, nurturing, egalitarian European Union, female happiness has fallen relative to men's across the last three decades.
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