That's why there are no while loops or for loops in Haskell and instead we many times have to use recursion to declare what something is.
这便是haskell没有while或for循环的原因，我们的替代方案是使用递归。
While there's no conclusive evidence on exactly what we should be eating and when, the consensus is that we should listen to our own bodies and eat when we're hungry.
虽然没有确切的证据表明我们应该吃什么，什么时候吃，但人们的共识是，我们应该听从自己的身体，饿的时候再吃。
While a majority of countries have taken little or no action yet, some 30 nations have introduced legislative steps to control smoking abuse.
虽然大多数国家还没有采取什么行动，但大约有30个国家已经采取了立法措施来控制吸烟。
While studies have shown that acrylamide can cause neurological damage in mice, there is no conclusive evidence that it causes cancer in humans.
虽然已有研究表明丙烯酰胺会造成小鼠神经损伤，但是并没有确凿的证据表明它会使人患癌。
Mars, in contrast, has a wildly oscillating tilt and chaotic seasonality, while Venus, rotating slowly backward, has virtually no seasonality at all.
相比之下，火星有着剧烈的倾斜和混乱的季节性，而金星则缓慢地向后旋转，几乎没有实质上的任何季节性。
They point out that while deer made up a major part of their diet, there are no drawings of deer.
他们指出，虽然鹿是他们饮食的主要组成部分，但却没有鹿的图画。
While there's no simple definition for it.
然而，并不能简单地定义它。
While a person could describe his thoughts, no one else can see or hear them to verify the accuracy of his report.
虽然一个人可以描述他的想法，但没有人可以看到或听到这些想法以验证他报告的准确性。
This upsets me to no end because while all the experts are busy debating about which option is best, the people who want to improve their lives are left confused by all of the conflicting information.
这让我非常烦恼，因为当所有的专家都在忙于讨论哪种选择是最好的时候，那些想要改善生活的人却被这些相互矛盾的信息搞得一头雾水。
You've no idea what good times we have here, while you are far away.
你们远在他乡的时候，不知道我们这儿过得有多好。
Of the other two choices, "generally rejected by" would provide no contrast, while "antagonistic toward" suggests a relationship that would not explain why music was so widely esteemed.
在另外两个选项中，“普遍被拒绝”不会提供任何对比，而“对立面”则表明了一种关系，无法解释为什么音乐受到如此广泛的推崇。
While I'm doing a stunt, there are no nerves at that point.
当我在做特技时，在那一点上没有紧张。
While there are incentives to do it, there's no legal obligation to report it.
尽管对这种做法有激励，但在法律上却没有义务进行报告。
While every parent would like to be patient, this is no easy task.
尽管每个父母都想有耐心，但这并不简单。
While some people claim they can predict the future, there is no scientific basis behind it.
虽然有些人声称他们能预测未来，但这背后没有科学依据。
While there are plenty of hackers who could start startups, there's no one to invest in them.
尽管有很多黑客能创业，但没有人会投资他们。
While companies like Facebook harvest attention to generate revenue from advertisers, other technologies have no such agenda.
虽然像脸书这样的公司通过吸引广告客户来获得收入，但其他科技公司却没有这样的计划。
While there's no question that continuous stress is harmful, several studies suggest that challenging situations in which you're able to rise to the occasion can be good for you.
虽然毫无疑问，持续的压力是有害的。但有几项研究表明，在具有挑战性的情况下，如果你能够迎难而上，可能对你有好处。
While Europe's monarchies will no doubt be smart enough to survive for some time to come, it is the British royals who have most to fear from the Spanish example.
尽管欧洲的君主们的智慧无疑会让他们足以在未来一段时间内生存下来，但对于英国王室来说，他们最担心的就是重蹈西班牙的覆辙。
His adventurous song is one that "with no middle flight intends to soar above the Aonian Mount, while it pursues things unattempted yet in Prose or Rhyme."
他那具有冒险精神的诗歌是这样的：“抛开了中途的旅程，要一飞冲天越过爱奥尼神山，同时追求的是散文或韵律中未曾尝试过的事物。”
But, unlike the cores of the inner planets, the Moon's core contains little or no iron, while the typical planet-forming materials were quite rich in iron.
但是，与内行星的核心不同，月球的核心几乎不含铁，而典型的行星形成物质则富含铁。
There is no direct flight serving these two destinations now, while it takes around 5 hours to get there by car.
现在没有直飞这两个目的地的航班，而开车到那里大约需要5个小时。
Many argue that it is an effective deterrent to murder, while others maintain there is no convincing evidence that the death penalty reduces murders.
许多人认为，死刑是对谋杀的有效威慑，而另一些人则认为，没有令人信服的证据表明死刑减少了谋杀。
On the other hand, he did not accept as well founded the charge made by some of his critics that, while he was a good observer, he had no power of reasoning.
另一方面，有些批评家指责他虽然善于观察，却没有推理能力，对此他既不接受也不支持。
She slid out while no one was looking.
她趁着没人看见溜了出去。
There is no reason why you couldn't live it up once in a while.
没有理由不让你偶尔尽情玩乐一下的。
While Venus and Mercury have no moons, Mars has two, while Saturn and Jupiter have more than 60 each.
尽管金星和水星没有卫星，火星却有两个卫星，更别提各有超过60个卫星的土星和木星。
While the rate of growth in the use of energy declines as an economy matures, no country has yet reduced energy use while raising gross domestic product.
虽然能源消耗的低增长是经济体系成熟的表现，还没有国家能做到在提高国内生产总值的同时减少能源的使用。
They constantly dismiss others' proposals while taking no responsibility for tackling the problem.
他们总是忽视其他人的建议，却没有承担任何解决问题的责任。
Of course some people prefer a quiet waitress and every once in a while I get some pretty small tips or no tip at all.
当然，有些人更喜欢安静的服务员，有时我会得到少量的小费，或者根本不给小费。
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