这一警报是由北极地区史无前例的事件所引发的。
一旦她懂了行，她就一往无前了。
The moment she got to know the ropes, there was no stopping her.
他很同情那些工作上毫无前途的人。
纽约市的大型快餐连锁店已经开始遵守史无前例的规定，也就是在菜单上标明卡路里计数。
Big fast-food chains in New York City have started to obey a first of its kind rule, requiring them to post calorie counts right on the menu.
纽约市的大型快餐连锁店迎来了一项史无前例的新规定，这一规定要求他们在菜单上附上卡路里含量表。
Big fast-food chains in New York City have started to obey a first-of-its-kind rule, requiring them to post calorie counts right on the menu.
这一社会实践的范围是史无前例的。
这种双方同意的分离并非史无前例。
当时的形势史无前例，也很特别。
它正在进行的城市化，其规模史无前例。
It is becoming urbanised on a scale unprecedented in history.
这样的警示并非史无前例。
也许唯一安全的预计是无前例的人口转移。
Maybe the only safe prediction is for unprecedented population shifts.
这将是史无前例的壮举。
但这也不是史无前例。
既无前路可循，也无规则可破。
但是，已经全无前几年的乐观情绪。
But it was completely devoid of the optimism of previous years.
人类同样以史无前例的方式来面对这一疾病。
And humanity has faced this disease, in equally unprecedented ways.
世界已经史无前例的成为一个整体。
的确，美联储近来货币投放的规模史无前例。
Now, it’s true that the Fed has taken unprecedented actions lately.
但对于代表们，否决一项法案将是史无前例的。
But it would be unprecedented for delegates to reject a bill.
这种事情史无前例。
墨西哥已经史无前例地引渡大量有嫌疑的毒贩。
Mexico has extradited suspected narcos in unprecedented Numbers.
各国的事务和命运史无前例地纠缠在一起。
The affairs, and fates, of nations are intertwined as never before.
旧房销售量的骤降是严重的但是并不是史无前例的。
The plunge in sales of existing homes is severe but not unprecedented.
达文认为，各州的行动规模之大，都是史无前例的。
Ms Dalven thinks that the scale of the states' actions is unprecedented.
印度财政历史上，史无前例的重要举措。
single most important initiative in the fiscal history of India
IMF指出，尽管债务水平很高，但是并非史无前例。
The IMF points out that debt levels, while high, are not unprecedented by historical standards.
但是水量的需求，尤其在这样一个沙漠，是史无前例的。
But the amount of water required, especially in a desert, is unprecedented.
虽说并非史无前例，但进展到这阶段下达禁令实属罕见。
Gag orders at this stage in the proceedings are rare, though not unprecedented.
虽说并非史无前例，但进展到这阶段下达禁令实属罕见。
Gag orders at this stage in the proceedings are rare, though not unprecedented.
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