如果没有化学，我们永远不会知道我们需要肥皂来去除衣服上的油污。
Without chemistry, we would never have known that we need soap to get the oil out of clothes.
我们永远不会知道到底是什么。
如果我们不试试，我们永远不会知道。
我们永远不会知道上帝为我们做的安排。
我们永远不会知道，什么时候自己可能也需要一点帮助呢？
我们永远不会知道。
我们永远不会知道纯真的微笑会带来多少益处。
是的，我们永远不会知道，但我必须保持现实。
我们永远不会知道快餐是否是取得成功的秘密武器。
We will never know if all that fast food was the secret to success.
我们永远不会知道我们实际上可以做自己的事情。
我们这次的任务目的是为了什么，我们永远不会知道。
我们永远不会知道，什么是需要的，要在生活中与人接触。
And we will never know what is needed to live a life with other people.
我相信一切都是上天注定的，我们永远不会知道原因是什么。
I believe that everything is determined from above and we shall never know the reasons why.
就好像我们永远不会知道“多希望我们早几年遇见”意味着什么一样。
Just like we don't know what it means to wish "we'd met a few years from now."
当然，我们永远不会知道究竟是什么原因导致了罗姆尼这种不舒服的表情。
We'll never really know what caused this uncomfortable-looking glimpse, of course.
我们永远不会知道,弥尔顿在这句描写门边的双手引擎的,刻意的意象叠加里想要表达什么。
Now we will never know, and don't let anyone ever suggest to you that you will ever know, what Milton could possibly mean by this deliberately perplexing image of the two-handed engine at the door.
但如果我们从不谈论我们的心灵，我们永远不会知道我们正在错过了在这个世界上。
But if we never spoke our mind, we will never know what we are missing out in this world.
这只是不断提醒我们的是如何宝贵的生命，我们永远不会知道什么时候我们的时间。
It just keeps reminding us of how precious life is, and that we never know when it's our time.
我们永远不会知道未来将会发生什么。好吧，表达出我们最真挚的爱意给我们心上人吧。
We never no what will happen in the next . well , show out our pure love for anyone in our heart.
许多人认为，中国人不能或不愿意接受这种创新性的进步议程。但如果不去尝试的话，我们永远不会知道答案。
Many think the Chinese are unable or unwilling to accept such a progressive and innovative agenda. We will never know unless we try.
还有所谓的机会成本：什么东西能够治愈疾病，还有其他有用的新发现，也许我们永远不会知道，因为栖息地被永远破坏，或土地被污染而没法使用。
There are also the opportunity costs: what cures for disease, what other useful discoveries might we never know of, because a habitat is destroyed forever, or land is polluted beyond all use?
我们可能永远不会知道那一夜发生了什么事。
我们永远也不会知道这种计算能力是何时、如何发展起来的，但可以肯定的是，在人类形成半永久定居点的时候，这种计数法已经发展得很好了。
It will never be known how and when this numeration ability developed, but it is certain that numeration was well developed by the time humans had formed even semi-permanent settlements.
不管怎样，只要我们没有成功，就永远不会有人知道我们曾经努力过。
Twon't ever be known that we tried, anyway, long as we didn't succeed.
我们知道，无论我们怎样努力去取悦别人，总有些人永远也不会喜欢我们。
We learn that however much we try to please, some people are never going to love us.
我们知道，无论我们怎样努力去取悦别人，有些人永远不会喜欢我们——这个想法起初令我们感到苦恼。
We learn that however much we try to please, some people are never going to love us — an idea that troubles at first.
如果不是因为早期英语文体研究会的努力，也许我们永远也不会知道这点。
We’d never know that however, if it were not for the efforts of the Early English Text Society.
如果上帝并没有回应他们的祷告，那么，这背后一定有些什么原因，就算我们可能永远不会知道这个原因是什么。
If God does not answer their prayers, well, there must be some explanation of this, even though we may never know it.
如果上帝并没有回应他们的祷告，那么，这背后一定有些什么原因，就算我们可能永远不会知道这个原因是什么。
If God does not answer their prayers, well, there must be some explanation of this, even though we may never know it.
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