He thought that if he couldn't see something, it didn't exist.
他认为如果他看不见某种东西，它就不存在。
The town of Rudbar had ceased to exist, with only skeletons of buildings remaining.
鲁德巴尔城已不存在，只剩一些建筑骨架。
Numbers do not exist in all cultures.
数字并非在所有文化中都存在。
Agricultural societies cannot exist without staple crops.
农业社会的存在离不开主粮作物。
Though one should have dreams, it's not realistic to exist on dreams.
尽管人应该有梦想，但是依靠梦想生活也不现实。
Like an ostrich, she thought that if she couldn't see me, then I don't exist.
就像只鸵鸟一样，她以为如果她看不见我，那么我就不存在。
Sometimes you can do your best and it seems like the others don't know you exist.
有时候你可能已经尽力了，但其他人却不知道你的存在。
Most scientists believe that the moon's poles are where water is most likely to exist.
大多数科学家认为，月球的两极是最有可能存在水的地方。
The advantage of using sub models is that they can exist independently of the main model.
使用子模型的优势在于它可以独立地存在主模型。
Earth is a rocky planet where there is liquid water, which is necessary for life to exist.
地球是一个岩石行星，这里有液态水，这是生命存在的必要条件。
A replicator must exist long enough to be able to get copied, and transfer its information.
复制因子必须存在足够久，才能被复制并传递信息。
In reality the bell does not exist; it is only a fancy that people have taken into their heads!
实际上，钟并不存在；这只不过是人们脑子里的一种幻想罢了！
It was generally accepted that volcanic rocks with such high levels of magnesium could not exist.
人们普遍认为，具有如此高镁含量的火山岩是不可能存在的。
First aid requires rapid assessment of victims to decide whether life-threatening conditions exist.
急救时需要对罹难者病情进行快速评估，以确定是否存在危及生命的情况。
What's more, the 7,000 or so languages that exist today vary dramatically in how they utilize numbers.
更重要的是，现存的7000多种语言在使用数字的方式上存在着巨大的差异。
Without it stopping to feed and spreading pollen from flower to flower, these plants would cease to exist.
如果它不停下来进食，不把花粉从一朵花传到另一朵花，这些植物就会不复存在。
Thanks to Joe, I have realized how little basis there is, for the social divisions that exist in every community.
多亏了乔，我意识到每个社区中存在的社会分裂的基础是多么的薄弱。
The designer and the inventor are able to assemble and manipulate in their minds devices that as yet do not exist.
设计者和发明者能够在他们的脑中装配并操作那些还不存在的装置。
That leads us to find patterns and connections both where they really exist and where they exist only in our minds.
这就促使我们去寻找种种模式和关联，包括那些在事实中存在的和仅仅只存在于我们想象中的。
When, and only when, these behaviors occur, does an authority relationship exist between the superior and subordinate.
当且仅当这些行为发生时，在上级和下级之间才存在一种权威关系。
Odours, unlike colours, for instance, cannot be named in many languages because the specific vocabulary simply doesn't exist.
例如，与颜色不同的是，气味在许多语言文字中都无法命名，因为特定的词汇根本不存在。
"Had the Greeks held novelty in such disdain as we," asked Horace in his epistle, "what work of ancient date would now exist?"
霍勒斯在他的书信中问道：“如果希腊人也像我们这样鄙视新奇事物，那么古代的作品现在还会存在吗？”
This is because he believes that the soul exists, will continue to exist after the death of the body, and the soul is immortal.
这是因为他认为灵魂是存在的，在肉体死后仍会继续存在，而且灵魂是不朽的。
These rules provide more detailed information about the relationships and restrictions that exist on the columns of a nickname.
这些规则提供了更详细的信息，是关于存在一个昵称各个列的关系和约束。
One of the easiest ways to segment a market is to magnify gender differences or invent them where they did not previously exist.
细分市场最简单的方法之一是放大性别差异，或者在以前不存在性别差异的地方创造性别差异。
Consider this, he says: "while one is thinking or doubting, or doing any of those sorts of mental activities, one has to exist, right?"
想了一下这个，他说：“当一个人在思考或质疑，或做任何类似这种的精神活动时，他必须存在，对吧？”
The imbalance between work and life simply doesn't exist anymore. The concept of work-life balance contributes little to a fulfilling life.
工作和生活之间的不平衡不复存在。保持两者的平衡对过上美满充实的生活并没有什么帮助。
Karolina Kurkova, a Victoria's Secret Angel, is perfect in every way, except she is missing a belly button. Her navel simply does not exist.
《维多利亚秘密》里的天使卡洛利娜·库尔科娃每个方面都很完美，但她却没有肚脐眼。她的肚脐根本不存在。
Machines now exist to pack olives in jars.
现在有可以把橄榄装进罐里的机器。
If society is to exist as a unity, its members must have shared values.
社会若要成为一个统一的群体，它的成员就必须有共同的价值观。
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