没有人知道什么激活斑秃。
没有人知道什么导致其形成、怎么形成。
市场风水轮流转，即使向前一些年还是没有人知道什么有价值？
The gyrations of the market are such that no-one can know what will have value even a few years ahead.
它既不传染也不遗传，没有人知道什么导致了它不停地变化。
It is neither contagious nor genetic, and no one knows what causes the permanent variety.
她是如此的神秘而又难以捉摸，没有人知道什么时候能再次遇见她，甚至不知道她到底有多重。
Elusive, mysterious, no one ever knew when they would see her next, or how much she would weigh.
“数周后，我手中的储备食品就达到5000包，因为当时没有人知道什么时候会有需求，”Prabhakaran说。
"For weeks later, I kept 5000 food packets ready at hand as one no-one knew when the need would arise," Prabhakaran says.
目前还没有人知道什么让DerrickBird在杀死自己前向这些人们发动袭击，其中似乎还包括他的孪生兄弟和同事以及完全不相干的陌生人。
No one yet knows what made Derrick Bird attack these people, who seem to have included his twin brother and colleagues from work as well as total strangers, before killing himself.
当你听从你内心的呼声时，你就做出了适宜于你的决定。除了你之外，没有人知道什么能够让你开心快乐(即便他们声称如此)，他们也无法让你的生活回归平衡。
When you listen to yourself you make decisions that are right for you. No one else knows what will make you happy (even if they say they do) and bring your life in balance.
没有人知道是什么样的天赋、野心、精力和运气使狄更斯成为如此非凡的作家。
No one will ever know what mix of talent, ambition, energy and luck made Dickens such a singular writer.
没有人知道它们如何做到那么准确，或是鳗鱼为什么要在大海里产卵。
Nobody knows how they do it with such accuracy, or why eels spawn where they do.
没有人知道它什么时候会结束它的旅程。
没有人知道该做什么，公共汽车又安静了下来。
没有人知道未来机器人能做什么。
没有人知道西蒙发生了什么事。
除了它的核心集团以外，没有人知道到底发生了什么。
No one outside its inner circle knows exactly what is going on.
公司承诺将获得重大利益，但没有人知道这利益到底是什么。
A COMPANY for carrying out an undertaking of great advantage, but nobody to know what it is.
开始收集这些需求时需明白一点，即没有人真正知道正确答案是什么。
The main thing you'll learn as you start to collect these requirements is that no one really knows the right answer.
似乎没有人知道为什么萨玛拉丁要杀那些美国人。
No one seems to know Samaruddin's motives for killing Americans.
“没有人真正知道为什么海豚会有那样的影响力，”她说。
"Nobody really knows why dolphins have the impact that they do," she says.
他说：没有人知道信用循环什么时候会结束。
没有人知道他下一幅画会带给人们什么，也没有人能确定他会画出什么类型的作品。
No one knew what to expect from him next. No one could be sure what kind of picture he would produce.
没有人知道是什么导致了呕吐综合症，但压力通常是一个诱因-甚至也可能与达尔文在航海旅行中患上的失调症有关联。
No one knows what triggered the vomiting syndrome, but stress is often a causative factor - so even that might have been linked to the disorders Darwin gained during the voyage.
不要担心没有人知道你在做些什么，上帝知道的。
Don't worry that no one knows what you are doing. God knows.
因为没有人需要它了，也就没有人确切地知道它的任务是什么，它的角色是什么了。
Since it is not needed anymore, nobody knows exactly what its mission is, what role it should play.
没有人真正知道为什么会发生暴跌。
当然，由于这一相互作用没有被看到，没有人知道发生了什么，这一结论被称为哈代悖论的原因也在于此。
Of course, since the interaction has to remain unseen, no one should ever notice this happening, which is why the result is known as Hardy's paradox.
当然，由于这一相互作用没有被看到，没有人知道发生了什么，这一结论被称为哈代悖论的原因也在于此。
Of course, since the interaction has to remain unseen, no one should ever notice this happening, which is why the result is known as Hardy's paradox.
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