科学家正在不断加深对睡眠的研究，他们对其中的一件事实确信无疑：对于人类来说，睡眠与食物和水一样重要。
Scientists are continually learning more about sleep, but one thing they know for sure is this—for humans, it is as important as food and water.
这事确信无疑，托利党将进行重新选举。
托利党将进行重新选举，是确信无疑的事。
美国人读的书比过去少多了，这是确信无疑的。
It's well established that Americans are reading fewer books than they used to.
骑士先生和伏尔泰曾经会面和交谈是确信无疑的。
No one doubts that the Chevalier and Voltaire met and conversed.
有一件事却是确信无疑的：他们的季后赛主场优势正岌岌可危。
One thing is for sure: It's sabotaging their efforts to get a strong playoff seeding.
这并不是唯一一次自己确信无疑的事情却并非如此。
Nor was it the only time that I was perfectly sure of things that really were not so.
对于一个行业来说，会引起震惊是对自身衰退的确信无疑。
For an industry that oncethought itself recession-proof, that is shocking.
他回营时确信无疑，巨头岩的固守者能够长年坚持下去。
He went back into his own lines and was convinced that the men on the big rock could hold out for years.
对于谁是合法所有人这个问题，当地居民已是确信无疑了。
Local inhabitants haven't the slightest doubt as to who is the rightful owner.
我确信无疑：我们能改变世界运作的一些方式，通过一次一点的改变。
I have no doubt: we have the ability to change the way that the world works, one bite at a time.
从人们对这个问题的认识和确信无疑的态度来说，这并不真的是个疑问。
OK, this is not really a myth in the sense that people think about it and believe it to be true.
没有人能确信无疑的知道。我们也没有办法知道她是如何死亡的。
Nobody knows for certain. We have no means of knowing how she died.
看起来，它首先返回英国确信无疑了，但在比赛过程中连遇厄运。
It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
金顿姆先生，72岁，说：“我确信无疑那儿死掉的鹿就是鹿王。”
Mr Kingdom, 72, said: 'There's no doubt in my mind - the stag lying dead in that field is the Emperor.
他似乎对自己的论点确信无疑，但是我故意跟他唱对台戏把他搞糊涂。
He seemed very sure of his arguments but I played the devil's advocate just to confuse him.
他的眼神和脸色的变化，让我确信无疑，他就是你要找的人！约翰说。
His eyes and the expression on his face told me, he is the very person you're looking for!
尽管这些理论存在分歧，有一点却是确信无疑的，石油市场已然是危机重重。
As different as these theories are, they share a conviction that something has gone badly wrong with the market for oil.
怪事之一是。仅仅是偶尔之间，你才确信无疑你会活到永远的永远的永远。
One of the strange things in the world is that it is only now and then one is quite sure one is going to live for ever and ever.
当莱吉尔马赛进行的时候，保罗对“活力火花”确信无疑，这是一匹很不显眼的马。
And when the Leger was coming on, Paul was "sure" about Lively Spark, which was a quite inconsiderable horse.
外来者(城里人)不了解这其中的差别，但小城镇的人和农民对这些差别确信无疑。
Outsider city people... did not understand these differences but the town people and farmers were very sure of them.
无论你有多偏爱那一段金黄岁月，有件事确信无疑：这批老影迷把过去吹得夸大其词了。
Whatever your preferred golden age, one thing is certain: they just don't make them like they used to.
如果你问我到底有哪些是确信无疑的，我会说我确信糖尿病可以对人体造成多种损害。
What do I believe if you ask me?I believe that diabetes can hit you in so many ways.
对我来说，过去的一年是那些循环中的一环，慢慢地却确信无疑地被抛起然后回落的过程。
This past year was one of those cycles for me — and slowly but surely the pieces that were thrown up in the air are falling into place.
因此，如果对超对称性确信无疑，那么宇宙空间中元素同位素的存在就会比标准模式预测的要少。
So if supersymmetry is true, there should be less of this isotope around than the Standard Model predicts.
我几乎没有时间，因为一上马车我就参与了另一场已经开始的谈话，但我对自己的想法确信无疑。
I should not have had time, as, upon taking my seat in the omnibus, I went on with a conversation already commenced, but I felt a perfect certainty.
尽管你确信无疑已经有了生理上的焦虑症状，但请你不要误会，这仅仅是慢性的症状而不是真正的生理上的疾病。
Don't misunderstand, you are suffering from a chronic illness but it's not really a physical illness, although you most certainly have physical anxiety symptoms.
从一开始，有两件事我们确信无疑：一是我们要在户外举行婚礼，二是我们要科格纳克参与我们的婚礼。
From the start, we were sure about two things: we wanted an outdoor wedding and we wanted Cognac to be a part of the ceremony.
从一开始，有两件事我们确信无疑：一是我们要在户外举行婚礼，二是我们要科格纳克参与我们的婚礼。
From the start, we were sure about two things: we wanted an outdoor wedding and we wanted Cognac to be a part of the ceremony.
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