I mean, has it been at least for a few months?
我是说，至少已经有几个月了吧？
存在多久了？
So why has it been hit particularly badly?
那么为何该公司受到了特别严重的冲击？
How long has it been since you danced?
你多久没跳舞了？
Why has it been so difficult for them to communicate?
为什么他们变得这么难以沟通？
But why has it been so hard to bring the two together?
但把这两个技术结合起来为何是如此的难呢？
Seldom has it been so easy to prove a dire prediction wrong.
很少有这么容易就证明预言错了的。
But speechless was my love, and with veils has it been veiled.
我深深地爱着你，不过我们的爱没有声响而又被轻纱蒙着。
How long has it been since you released a new version of your software?
从你发行最新版本的软件到现在有多久了？
Rarely before has it been so difficult for Japan to control its currency.
以前日本很少有像现在这样难控制本国货币的局面。
Never has it been possible to see so many of da Vinci’s paintings together.
以前要同时见到那么多幅达芬奇作品是不可能的。
How long has it been since you last played CARDS or any other family game?
你有多久没有打牌或玩其他家庭游戏了？
Your Week Ahead: How long has it been since you were last touched by an angel?
你上一次被天使光临是多久以前的事了？
Much have we loved you. But speechless was our love, and with veils has it been veiled.
我们深深地爱了你。不过我们的爱没有声响，而又被轻纱蒙着。
It's not a new notion, but rarely has it been expressed so clearly and with such good humour.
这算不上是什么新观念，只是这种观念从未以如此清楚、幽默的方式阐述。
Never before has it been so important to be grounded and intentional and to know what's important.
持有现实的态度，有意识地去了解什么是重要的，这些正变得前所未有的重要。
What is our current test execution velocity and what has it been for the duration of the project?
我们当前的测试的执行速度是多少，以及在项目过程中曾经是多少？
Never since the world began has it been heard that anyone opened the eyes of a person born blind.
从创世以来，未曾听见，有人把生来是瞎子的眼睛开了。
How do you think she influenced your music, and vice versa? What has it been like playing together?
你觉得她怎样影响了你的音乐，或者你怎么影响了她的音乐？在一起做音乐感觉如何？
But in no case has it been legally proven-for example, with DNA evidence-that an innocent person has been executed.
但在法律上还没有发现——比方说，通过DNA证据——某个无辜的人被处死。
Why has it been so hard to figure out a cause? And why are researchers focusing on genetic and environmental risks?
在这里输入译文问：为什么找出一个原因如此困难？又为什么研究人员如此关注遗传和环境风险？
For what has it been raining all day today? Shedding tears for the upcoming departure? Or holding me up a couple more days?
为什么今天一整天都在下雨？是为我即将到来的出发流泪吗？还是想再多挽留我几天？
Every March since, the ice has returned to an annual maximum, but never again has it been as large as the one observed that first year.
之后每逢三月，冰层便会恢复至年度最高值，但从未达到1979年所观察的规模那样巨大。
Every March since, the ice has returned to an annual maximum, but never again has it been as large as the one observed that first year.
之后每逢三月，冰层便会恢复至年度最高值，但从未达到1979年所观察的规模那样巨大。
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