Say, for example, there is a drought for a couple of decades, or hunters are killing five percent of the population, and so on.
比如说，有一场持续了几十年的干旱，或者猎人捕杀了物种的5%，等等。
Over the last couple of decades the number of people opposed to fox hunting, because they think it is brutal, has risen sharply.
在过去的几十年里，反对猎狐的人急剧增加，因为他们认为这很残忍。
Compared with teens a couple of decades ago, the way they interact with traditional media like books and movies is fundamentally different.
与几十年前的青少年相比，他们与书籍和电影等传统媒介互动的方式是完全不同的。
In a couple of decades there could be a French-style implosion.
在二十年中，可能会发生法式风格的向内腐烂溃败。
The decline in credit ratings has been remorseless over the past couple of decades.
信用评级已在过去的几十年里无情地下降。
Many other European countries regularly reuse old graves after a couple of decades.
很多欧洲的其它国家已经习惯，多年后重新翻新一块墓地。
In the past couple of decades, humans have taken important steps toward conquering space.
在过去的数十年间，人类已经踏出了十分重要的步骤去战服外太空。
Understanding of autism in males has increased dramatically over the past couple of decades.
对男性孤独症患者的理解在过去几十年间有了长足的进步。
The serious scientific research on happiness has really only begun in the last couple of decades.
关于幸福的科学研究，近几十年才刚刚起步。
I've seen or participated in my share of process improvement projects over the last couple of decades.
在过去的二十年内，我已经看到或者参加了我分享的过程改进项目。
But in the past couple of decades, scientists have learned that Mendel's understanding was incomplete.
但过去的20年里，科学家们意识到孟德尔的理解是不完备的。
Perhaps a glance at your partner's parents might also reveal what you will look like in a couple of decades.
很可能几十年后你的模样会在这一瞥中显现。
A couple of decades ago Ireland defied the idea that modern societies grow secular: churches were packed.
几十年前，爱尔兰对现代社会培养神甫这一观点满不在乎：教堂都挤满了人。
I spent a couple of decades being the leading lady; now I have acharacter role. It hurts to be downsized。
我花了几十年的时间才成为女主角，现在一下子又有个特定角色了，被压低的感觉很伤人。
For the past couple of decades the building had been used as offices, but was largely in a good condition.
在过去的几十年里，这一建筑一直被用作办公室，但在很大程度上有一个良好的条件。
At least that's been my logic over the past couple of decades, as I've gone from one cheapo barber to another.
至少过去几十年来，我一直是这么认为的，期间我经历了一家又一家的便宜理发店。
He reckons we should go back to the moon, this time to develop it, and look to get to Mars in a couple of decades.
他预计人类会重返月球，并对其进行开发，继而有望在几十年内抵达火星。
It will take a couple of decades to arrive at a point when bridge operators can use such data intelligently, he predicts.
他预言，还要再过数十年桥梁操作员才能充分利用这些数据。
The SSD technology has been around for a couple of decades already in the form of memory sticks, thumb drives, and so on.
SSD技术已经出现20 年左右了，其表现形式有记忆棒、U盘等。
Adding to their mystique, they have gained a reputation for their supposed healing powers over the last couple of decades.
在过去的几十年中，人们认为它们拥有治疗疾病的能力而使它们拥有很高的声誉，这也增加了它们的神秘性。
As we know from a couple of decades of Usenet and other on-line discourse, there is no such thing as consensus on programming tools.
数十年来，从Usenet和其它在线评论中，我们可以发现，人们对于编程工具一直没有一致认可的选择。
1984 by George Orwell — Many of Orwell's predictions of postmodern life have come true, though some are a couple of decades late.
《1984》，乔治·奥威尔(1984by George orwell)。乔治对后现代生活所做的种种预言很多都成了现实，尽管有的比他估计的时间晚了几十年。
Over a couple of decades he synthesised hundreds of chemicals, all of which he tried first on himself and a small group of volunteers.
历二十余载，彼君合成之化合物达数百种之多，皆为其本人及其一志愿者小组所首先亲尝。
Their education standards have risen over the past couple of decades, so they want people with more qualifications, skills and experience.
他们的教育水平在过去的数十年里都有提高，因此他们想要去服务的人更多的资历、技术和经验。
But over the last couple of decades the number of people opposed to fox hunting, because they think it is brutal, has risen sharply. CET-4, 2002.1.
但是最近几十年反对猎杀狐狸的人数急剧上升，因为他们认为这样做很残酷。
But over the last couple of decades the number of people opposed to fox hunting, because they think it is brutal, has risen sharply. CET-4, 2002.1.
但是最近几十年反对猎杀狐狸的人数急剧上升，因为他们认为这样做很残酷。
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