When not in use, the fins are tucked into special grooves or depressions so that they lie flush with the body and do not break up its smooth contours.
当鱼不使用鱼鳍时，会将它们折叠起来，收回到特殊的沟槽或者凹陷部位；这样鱼鳍就可以与身体保持齐平，以维持它们平滑的外形。
The solution turned out to be advertising, and it's not an exaggeration to say that Google is now essentially an advertising company, given that that's the source of nearly all its revenue.
最终的解决方案是做广告；并且毫不夸张地说，谷歌现在本质上是一家广告公司，因为这几乎是它所有收入的来源。
Agriculture differs from the medical science of the human body in that its environment is not a contained one.
由于农业发展不是处于一个封闭环境中，因此它和人体医学有所不同。
Place-names have a lasting interest since there is hardly a town or village in all England that has not at some time given its name to a family.
地名有着持久的意义，因为在整个英格兰，几乎没有一个城镇或村庄没有在某个时期把它的名字赋予给一个家庭。
Mercedes is not new to making small cars, but its efforts have been crippled by productions that are sub-scale and over-engineered.
梅赛德斯在制造小型汽车方面并不是新手，但是由于产销规模小以及过度设计，开发能力受到削弱。
Allen's contribution was to take an assumption we all share—that because we are not robots we therefore control our thoughts—and reveal its erroneous nature.
艾伦的贡献在于提出了一个我们都认同的假设——因为我们不是机器人，所以我们控制自己的思想——并揭示了这个假设的错误本质。
Britain, rather than complying, took the novel strategy of contending that many of its most popular beaches were not swimming beaches at all.
英国没有遵从，而是采取了新的策略以声称它最受欢迎的许多海滩根本不是海水浴场。
By selling the helium, the government can not only pay off that debt but reduce its overall debt as well.
政府通过出售氦不仅可以偿还债务，还可以减少总体债务。
Even such a name as Simpson may belong to this last group, and not to the first, had the family once had its home in the ancient village of that name.
即使辛普森这样的名字也可能属于最后一类，而不是第一类，如果这个家族曾经在同名的古老村庄里有自己的家的话。
The New York Times has become the biggest publisher yet to set out plans for a paywall around its digital offering, abandoning the accepted practice that internet users will not pay for news.
《纽约时报》已成为迄今为止最大的出版商，它中止了互联网用户不会为新闻付费的惯例，计划为其数字产品设置收费墙。
A country's standard of living does not only depend upon the wealth that is produced and consumed within its own borders, but also upon what is indirectly produced through international trade.
一个国家的生活水平不仅取决于国内生产和消费的财富，还取决于通过国际贸易间接生产的财富。
Both teams have since announced that the signals have weakened, although they have not ruled out its existence within that range.
两个团队都宣称信号已经减弱，尽管他们还没有排除信号在这个范围内存在的可能性。
The country is still hopeful that it will meet its emissions goals, like reducing emissions by 40% by 2020, but the acceptance of electric cars in the country has not occurred as fast as expected.
该国仍希望实现其排放目标，比如到2020年减排40%，但该国对电动汽车的接受没有预期中的那么快。
Its report stated with a tinge of complacency that 95% of those who did not have their own income were receiving cash contributions from relations.
报告中略带沾沾自喜地说，95%没有自己收入的人都从亲戚那里得到了现金捐助。
If we value something not as a means to something else, but for its own sake, let us say that it has "intrinsic value".
如果我们重视某物不是因为把它看作达成其他目标的手段，而是因为它本身，我们就说它有“内在价值”。
A gamification strategy that is not sufficiently thought through or well tailored to its players may engage people for a little while, but it will not motivate people in the long term.
一个没有经过充分思考或是适配用户需求的游戏化战略可能会在短期内吸引人们的注意力，但从长远来看它不会激发人们的积极性。
He persuasively argued that such an ice-free corridor did not exist until much later, when the continental ice began its final retreat.
他很有说服力地指出，直到很久以后，当大陆上的冰开始最后消退时，才有了这样一条没有冰的走廊。
Certainly a great art exists, and its existence reveals that ancient human beings were not without intelligence, skill, and sensitivity.
当然存在着一种伟大的艺术，而且它的存在揭示了古代人类并非没有智慧、技能和敏感性。
Although some in the industry are optimistic that Johnson & Johnson can quickly regain its perch, some Wall Street analysts are not convinced.
一些业内人士对强生公司能够快速恢复高位表示乐观，但也有一些华尔街分析家对此并不认同。
This does not mean that ambition is at an end, that people no longer feel its stirrings and promptings, but only that, no longer openly honored, it is less openly professed.
这并不意味着雄心壮志已经结束，人们不再感受到它的激励和激励，只是它不再被公开推崇，也不再被公开宣扬。
Supermarkets throw away food that is not sold before its sell-by date, while families throw away food that they can't finish eating.
超市会扔掉未在保质期前出售的食物，而家里则会扔掉吃不完的食物。
It was not until I followed this feeling to its source that I discovered I had a passion for writing.
直到我找到了这种感觉的根源，我才发现自己对写作有热情。
Not to equate German suffering with that of its victims, but simply to acknowledge a terrible tragedy.
不是说要把德国人的苦难与受害者的苦难等同，只是要承认一场可怕的悲剧。
It's not hard to understand that each culture passes on its ideas and thoughts through words.
不难理解，每种文化都通过文字来传递其观念和思想。
"The big message from this study is that there is another species out there, that is meaningful in its communication, so that's not unique to humans," said Dr. Hobaiter.
霍拜托特博士说：“这项研究的重要信息是，还有另一个物种在进行有意义的交流，所以这并不是人类独有的。”
Chinese models are the faces of beauty and fashion campaigns that sell dreams to women all over the world, which means Chinese women are not just consumers of fashion—they are central to its movement.
中国模特是向全球女性兜售梦想的美丽和时尚运动的代表，这意味着中国女性不仅是时尚的消费者，更是时尚运动的核心。
The central bank says that it will soak up the cash, for instance, by selling instruments of its own, so monetary policy will not be loosened.
中央银行说道，例如通过出售自己的债券，它将会迅速吸收大量现金，所以货币政策将不会放松。
This company's Micawberish view of its prospects does not inspire faith that 2008 will be any better than 2007.
这家公司碰运气的态度令人难以相信其2008年的业绩会比2007年有多大起色 。
But both teams have since announced that the signals have weakened, although they have not ruled out its existence within that range.
但是两个团队都宣称信号已经减弱，尽管他们没有排除它在这个范围存在的可能性。
But both teams have since announced that the signals have weakened, although they have not ruled out its existence within that range.
但是两个团队都宣称信号已经减弱，尽管他们没有排除它在这个范围存在的可能性。
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