Hotel outsourcing has been one new trend of hotel operations at home and abroad, but theory research on hotel outsourcing in China is relatively scarce.
饭店外包成为国内外饭店经营的一种新趋势，但国内在饭店外包方面的理论研究相对缺乏。
At present, much research on the settling slurry horizontal pipeline transportation has been done, but theory research on the inclined pipeline transportation is much less.
目前对沉降性浆体水平管道的研究比较多，而对于倾斜管道的理论研究却很少。
Scientists know planets form out of the discs of material around young stars, but theory says the transition from dust disc to planetary system is rapid and few objects are caught during this phase.
科学家们知道行星是从年轻的恒星周围的物质盘中形成的，但是理论认为从尘埃盘到行星系统的转变非常快，人们很少见到在这一阶段的物体。
The course teaches you the theory but there's no substitute for practical experience.
这门课教的是理论，但没有任何东西能代替实践经验。
It's only a theory, admittedly, but the pieces fit together.
得承认这只是一种理论，但其各部分自成一体。
Theory is of great importance but there's no substitute for practical experience.
理论知识是很重要，但是没有任何东西能代替实践经验。
While at Bell Laboratories, Shannon developed information theory, but shunned the resulting acclaim.
在贝尔实验室的时候，香农发展了信息理论，但避开了随之而来的赞美。
We have what at first seems like a pretty attractive theory, but then, how do you explain the fact that this has happened before?
我们提出了一开始看起来很有吸引力的理论，但是接下来，你要如何解释以前也发生过这种情况呢？
The theory sounds eccentric but once he starts to explain the detective work that went into his deduction, the scepticism gives way to wary admiration.
这个理论听起来怪怪的，但一旦他开始解释符合他的推理的侦探工作，怀疑就变成了对他谨慎的赞赏。
A completely different theory holds that yawning assists in the physical development of the lungs early in life, but has no remaining biological function in adults.
另一种完全不同的理论认为，打呵欠有助于生命早期肺部的生理发育，但对成年人没有任何剩余的生理功能。
The other alternatives are attractive in theory but in practice are either impractical or offer only marginal improvements.
其他替代方案在理论上很有吸引力，但在实践中要么不切实际，要么只能提供微不足道的改进。
Like the Western feminist critique of the Freudian model of the human psyche, the Korean critique finds Freudian theory culture-bound, but in ways different from those cited by Western theorists.
就像西方女性主义对弗洛伊德的人类心理模型的批评一样，韩国的批评文章认为弗洛伊德理论受文化限制，但与西方理论家引用的理论有所不同。
But given everything we've been talking about here, one has to ask: are there alternatives to this motor theory — this claim that muscular activities are equivalent to thinking?
但是考虑到我们在这里所讨论的一切，我们不得不问：有没有其他的方法可以替代这个运动理论——这个声称肌肉活动等同于思考的理论？
That sounds fine in theory, but have you really thought it through?
这话听起来很有道理，但是你真正全面考虑过没有？
In theory, you need molten iron in the core to generate one, but Mercury is so small, its core should have long since solidified.
理论上，你需要核心里的熔化铁来产生它，但是水星很小，它的核心凝固还要很久。
Because the basic idea of chaos theory is that there aren't any "models" as such—there aren't guaranteed forms, but rather patterns of change in development.
因为混沌理论的基本观点是这样的“模型”不存在——不存在确定的形式，只有发展变化中的模式。
I have this theory that, to us the world is a flat thing we stand on, but to birds it is a cliff they cling to.
我有一种想法，就是对我们来说，世界是一个我们所站立的平坦的东西，而对鸟来说是一个它们所依靠的峭壁。
Nobody knows for sure whether the theory is true or not, but it's a fact that bees are disappearing in very large numbers.
没有人确切地知道这个理论是否正确，但事实是蜜蜂正在大量消失。
Mexico’s institutions have been transformed in theory, but a better ma?ana will never dawn unless Mexican attitudes change too.
墨西哥的政府机构在理论上是转变了，但只有墨西哥人的态度也发生改变，美好的明天才会来临。
但是，这是一个错误的理论。
But the new theory offers a way to break the circle.
但是，最新的理论给出一种方法打破这种循环。
But that theory predicts a force far more powerful than the one actually seen.
不过这个理论预言的是一种比看起来要强大的多的力量。
These speculations sound like science fiction. But the theory of black holes in space is accepted by many serious scientists and astronomers.
这些设想听起来像科幻小说，但空间中黑洞的理论被许多严谨的科学家和天文学家接受。
But then, in theory American house prices never fall.
但当时美国的房价在理论上是不可能下跌的。
But economic theory struggles to explain the bizarre world of fund management, where the market is fragmented but fees stay stubbornly high.
但是这种经济理论很难解释市场高度分割而费用却居高不下的奇特的基金管理世界。
We're talking a bit of science fiction now, but in theory there's nothing that stops you going out (into space).
我们谈论了很多科幻小说罢了，但在理论上没有什么能阻止你要出去（倒太空间）。
We're talking a bit of science fiction now, but in theory there's nothing that stops you going out (into space).
我们谈论了很多科幻小说罢了，但在理论上没有什么能阻止你要出去（倒太空间）。
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