The average age of first marriage has risen steadily for decades.
过去几十年来，初婚的平均年龄一直在稳步上升。
In Columbia University, the same men ran their studios for decades.
在哥伦比亚大学，同一批人会运营他们的工作室几十年。
Non-native species can appear harmless for decades, then turn invasive.
非本地物种可能会在几十年内看起来无害，继而变得有入侵性。
What is more, non-native species can appear harmless for decades, then turn invasive.
更重要的是，非本地物种可能会在几十年内看起来无害，然后变得有入侵性。
未来的几十年内不会。
And you can be wrong for decades.
你可能一错几十年。
这些会谈可能持续几十年。
They are gonna keep that for decades.
他们在几十年间会一直这样。
This practice has not changed for decades.
这种做法几十年来都没有改变。
And often, they're holding for decades.
通常他们都持有数十年以上。
For decades this practice went unchallenged.
这个做法数十年来均未遭遇挑战。
Cannibals not seen or heard from for decades.
几十年来再没有听说或看到过食人生番。
No patient has asked me that for decades.
已经有很多年没有病人问我这个问题了。
Yet this is a project for decades, not years.
但这是一个几十年的项目，不是几年内就可完成的。
The population grew by about 5% a year for decades.
几十年来人口增长了大约5%。
For decades, I'd thought that man would be my father.
几十年来，我曾经以为那个男人会是我的父亲。
Japan has known for decades that it was getting older.
几十年来，日本清楚地知道自己正在变老。
They contain enough oil to supply the U.S. for decades.
它所能提供的石油足够美国使用数十年。
My mom has been a college math professor for decades.
我的妈妈做了几十年的大学数学教授。
For decades physicists have tried to put the two together.
几十年来，物理学家们努力想把二者统一到一起。
Housing prices have gone up six percent a year for decades.
房屋价格已经上升了百分之六，为期十年。
That Arctic sea ice is disappearing has been known for decades.
几十年来，大家都知道北冰洋的冰正在逐渐消失。
The lesson of rich countries is that they stay there for decades.
对于发达国家而言，他们的问题是其生育率数十年来停滞不变。
Practically all have been with him for years, some for decades.
几乎所有这些人都和他共事多年，有的已经几十年了。
For decades, Latin America had the world's worst income inequality.
数十年来，拉美国家的收入分配情况是全世界最不平等的。
The station blackout has been one of the great concerns for decades.
几十年来，核电站断电一直是令人提心吊胆的问题之一。
This has been going on for decades of Xerox, which I really appreciate.
施乐这个传统有几十年的历史了，我也很欣赏这一点。
However, the economies themselves look in better shape than for decades.
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。
Driverless cars have been the subject of popular imagination for decades.
几十年来，无人驾驶汽车一直是大家热衷幻想的话题。
Driverless cars have been the subject of popular imagination for decades.
几十年来，无人驾驶汽车一直是大家热衷幻想的话题。
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