However, facts A, B, and C are never used again; they were instrumental to the argument because they allowed one to establish D, but once D is established, A, B, and C can be safely forgotten.
然而，A,B和C再也没有被使用到；他们只是辅助性的证明，因为它们被用来建立D，然而一旦D被建立起来后，A,B,C可以被毫无顾虑地忘掉。
For example, a one-time crash, as the name implies, may occur once and never appear again.
例如一次性崩溃(one - time crash)，顾名思义，可能只出现一次，并且不会再次出现。
"This will happen once," Zink said, "and then never again for many, many years."
“这种事情只会发生一次，”津克说，“之后许多年之内都不会再次发生。”
These are people you meet once, have a great time with or are awe-struck by, and then never see again.
这些人你见过一次，拥有美妙的时光或是他们让你肃然起敬，之后便再没有机会遇见。
And the parakeet God bless him flew out a window once never to be seen again.
而那只鹦鹉，愿上帝保佑它，有一次飞出窗外，就再也没见到影儿。
Once caught, you can never again be in the eyes to the good and the pure, what you were before.
一旦揭穿，在善良和纯洁的眼光看来，你就再也不可能是过去的你了。
Unless Toyota can get the cow out of the ditch quickly, and keep it out, what was once the most valuable automotive brand in the world will never look quite the same again.
除非丰田能尽快把牛从坑里拽出来，并确保它不再掉进去，否则曾经那个最具价值的汽车品牌只得承认今非昔比了。
Events of the past month show, once again, why you should never put too much faith in the opinions of Wall Street experts and analysts.
过去一个月的各种事件再次证明，为什么永远不应该盲从华尔街专家与分析师的观点。
An industry that had run almost unchecked because of the returns it once produced and the mystique of its billionaire managers may never again get the same latitude from investors.
投资者再也不能容忍一个由于收益颇丰而不受监控的行业，以及亿万富翁经理们的神秘作风。
Imagine if you could look at something once and remember it forever. You would never have to ask for directions again.
想象一下，如果你可以过目不忘，你就可以不必再去问路了。
The good news is that the month codes never change, so you just need to memorize them once and reuse them over and over again.
好在月份代码是不变的，只要记下它们，并不断使用就能熟记于心。
The method refreshVisuals() is called only once during the initialization of the EditPart and is never called again.
方法refreshVisuals()只在EditPart的初始化过程中调用一次并且决不再次调用。
His CAB adviser reckons he will never again earn what he used to, so is helping him cut costs he once considered essential, like Internet access and mobile phones, from his family's budget.
他在公民咨询局(CAB)的顾问推算出他的收入将不会再回到从前的水平，于是便帮助大卫从他的家庭预算中削减了诸如网费和话费等，那些曾经被认为是必要的开支。
Once again, do not ask me for his name, I will never tell, not even via PM. He was brutally honest with me and I will honor his request.
在一次申明，不要向我询问那个人的名字，我永远都不会说，即便是站内短信也不行。他对我真诚以待，我也会达成他的要求。
Once caught, you can never again be, in the eyes of the good and the pure, what you were before.
一旦被揭穿，在善良和纯朴的人们眼中，你就再也不可能是以前的你了。
Just see me this once, just once and hear me out and you'll never have to hear from me again.
听我说，我向你保证，只要见我这一次，就一次，听我把话说完，我就再也不会来找你了。
"And of course once you were there you never thoughtof me again! " She continued to beam on him with agaiety that might have been a studied assumption ofindifference.
“当然，你一到了那儿就再也想不起我了！”她依旧对他微笑着，那副快乐的神情很可能是故意装作毫不在乎。
Once caught, you can never again be (in the eyes) to the good and the pure, what you were before.
一但被抓，在那些善良纯洁的人眼中，你就不可能再与原来的你一样了。
Once again it is useless to apportion blame and excuses: justice can never be done in the midst of injustice.
指责和辩解依旧无济于事，因为正义绝不可能在非正义中实现。
The jailkeeper was ignorance…Once the jailkeeper was gone, the jail would disappear and never be rebuilt again.
狱卒应是愚痴……一旦狱卒走了，监狱就会消失，而永不再出现。
Today only comes once, and never again returns.
今天仅一次到来，从不再次返回。
Use these three tips to help you face failure and turn it into success. Once you learn how to do this, you will never be afraid to fail again!
使用这三个技巧可以帮助你面对失败，并将其转化为成功。当你学会这样做了，你将永远不再害怕失败了。
Unfortunately, some people have been there and done that. The nice thing is that once you do it one time, you never do it again.
有些人曾在飞机上喝醉过，这样做的好处是你犯了一次以后就不会再犯了。
Why can't we just hold a conversation once and then never hold it again?
为什么我们就不能把事情一次谈清以后不再提起？
I saw him once and and never again.
我见过他一回，以后再也没见过。
Then I want you to remove it at once! - and never to wear it within this castle again!
我要你现在脱下来！并且再也不要在这座城堡中佩戴！
Once when a child or other close relatives left the old country for America family and friends sat in mourning for someone they would never see again.
以前，当儿童或亲属离开故国前往美洲时，他们的家人和朋友坐在一起哭泣，因为再也看不见他们了。
They never saw the man nor his assistant again and once again there were monkeys everywhere.
他们从来没有见过的人，也没有再和他的助手再次有猴子无处不在。
They never saw the man nor his assistant again and once again there were monkeys everywhere.
他们从来没有见过的人，也没有再和他的助手再次有猴子无处不在。
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