It has existed for just a few years.
它只存在了几年。
It has existed for thousands of years.
它已经存在了几千年了。
Role model is not a new idea, it has existed for a long time.
角色模型并不是一个新概念，它已经存在很长时间了。
Regarding eternal happiness, I wonder whether it has existed on the earth.
至于永恒的幸福，我怀疑世上是否真正有过。
The Naschmarkt is Vienna's most popular market, and it has existed since the 16th century.
纳旭市场是维也纳最为热闹的集市，早在16世纪就已经存在了。
"Bias against girls is not something new: it has existed for a long time in our history." she argued.
“对女孩的偏见是不是新的东西：它已经在我们的历史很长一段时间存在的，”她认为。
It seem is Open Day bi land rise like a tower in there, in li Su the big flood mythology of ancient clan in, it has existed.
它仿佛是开天辟地就耸立在那里，在傈僳族古老的大洪水神话中，它就已经存在了。
Fuzzy matroids is a theory which is set up by introducing the notion "fuzzy" into theory of matroid, it has existed nearly 20 years old.
模糊拟阵是将“模糊”的概念引入到拟阵理论中而建立起来的理论，已有近20年的历史。
The idiomatic expressions of English letters", which is a name, haven t been mentioned in translating teaching, but it has existed for a long time."
英语字母习惯表达法是目前翻译教学领域尚未提及的一个名称，但早已存在，本文拟对这种表达法及其汉译作些探。
The art education of high normal school came into being with the development of Chinese pre-modern culture, and so far it has existed in China for nearly a century.
中国高等师范美术教育伴随着中国近代文明的开端而产生，至今已在中国存在了近一个世纪。
Speaking of Rules Commission, it has existed for many years already. Each time, different assignment may be given to Rules Commission, depending on current needs of GA.
提到规则委员会，它已经存在很多年了。每次都有不同的工作任务指派给规则委员会，这取决于当时GA的需要。
While it is unknown just how much of this is true, it is certainly known that silk cultivation has existed in China for several millennia.
虽然我们不知道这其中有多少是真实的，但可以肯定的是，丝绸栽培在中国已经存在了几千年。
DI is a code reuse technique that has existed for years, but only now are programmers starting to reap the real benefits of the extremely loose coupling that it provides.
DI是一种已经存在多年的代码重用技术，但是只有现在程序员才开始享受它所带来的极度松散耦合的真正好处。
It has shown me clearly that the fear I felt before existed only in my head — as does all fear.
这说明我以前的恐惧仅仅存在于我自己的脑中——所有的困难不都是这样么。
It has never existed. It will never exist.
它从来没有存在过，将来也永远不会。
So this ability to edit and manage a campaign in real time, as it happens, and distribute that globally has never existed before.
这种实时编辑和管理营销活动的能力和全球传播的能力是前所未有的，这一点非常激动人心。
The connection has existed for three minutes, which is less than Aged timeout, so the pool maintenance thread leaves it alone and goes back to sleep.
该连接已存在三分钟，这小于过时超时时间，这样池维护线程将保留该连接，并回到睡眠状态。
The approach is appropriate for declared type systems and has existed since RPCs, and we find it commonly in modern statically typed languages, namely the ‘interface’ construct.
这种方法适合声明类型系统并自从RPC时代就存在，而且我们发现它在现代静态类型语言中非常普遍，即‘接口（interface）’结构。
This comment relates to another point I would make about general equilibrium; not only has it never existed, and is not an operational concept, but also it could not conceivably exist.
我对一般均衡的另一个论点与上一个意见有关，它不仅从未存在过，也不是一个可操作的概念，而且根本不能想象它的存在。
We all know that. It has never existed.
我们都知道它从不曾存在。
While this program existed before the tsunami devastated the region, it has been stepped up in order to allow local people a voice in the reconstruction process.
这一项目在该地区受灾前就已经开始实施了，但现在其进程有所加快，目的是使当地人在重建进程中拥有发言权。
Since time immemorial, the whale has been wreathed in mystery—and of course it almost predates time itself, having existed long before the land around which it swims.
自远古以来，鲸鱼一直被披上神秘的色彩--当然它们也的确几乎与时间一样古老，它们存在的时间比它们游过的陆地的历史还长。
Altruism has always existed, but the Web gives it a platform where the actions of individuals can have global impact.
利他主义一直都存在，互联网却为其创造了一个平台；在那里，个体行为将引发全球性的影响。
Some argue that it is unfair on manual labourers, whose life expectancy tends to be shorter, but this bias has always existed.
一些人认为这对从事体力劳动的人不公平，他们的寿命通常较短。但这种偏见一直根深蒂固。
"The longer something has existed during evolutionary history, the likelier it is to have other functions overlaid on it," she said at the convention.
“事情在进化的历史上存在的时间愈久，那就愈有可能被其他功能所覆盖”，她在会议上说。
Like it or not we are the curators of the largest compilation of stories, ideas, pictures, and video that has ever existed (I like it a lot, and I bet if you're reading this you do too).
不管喜不喜欢，我们是大量故事，创意，图片和视频的管理员。(我很享受这点，我打赌你也是)。
Like it or not we are the curators of the largest compilation of stories, ideas, pictures, and video that has ever existed (I like it a lot, and I bet if you're reading this you do too).
不管喜不喜欢，我们是大量故事，创意，图片和视频的管理员。(我很享受这点，我打赌你也是)。
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