Maybe they "stop" because there isn't enough money to take the next step, or they are afraid to leave the certain safety and security of their current job to change careers - the fear of the unknown.
也许，我们不得不停下来，因为没有足够的钱去迈出下一步，也或者我们害怕离开固有的安全保障，害怕因改变自己的事业而失去现有的稳定工作——对未知的一种恐惧。
The any element also enables certain scenarios where other unknown content models are valid, and their validation can be handled by the schema associated with that element's namespace content.
any元素也可用于这样的场合：其他未知内容模型是有效的，其验证可由模式和该元素的名称空间内容来处理。
For example, certain letters or words are more likely to occur together-if an unknown keystroke follows a "t", it is much more likely to be an "h" than an "x".
例如，一些字母或单词更容易同时出现——如果一次未知的键击跟随在“t”之后，那么它是“h”的可能性就比是“x”大很多。
The cause is unknown, though the syndrome can be triggered by certain viral infections, and there is no cure.
虽然证实某种病毒感染能触发这种综合症，可是具体的患病原因还是个未知数，而且目前看来无法可医。
Equipment is called an equation of condition in that it is true only for certain values of unknown quantities in it.
方程又称为条件等式，因为其中的未知量通常只允许取某些特定的值。
Those cases of DCM that occur in certain family groups are associated with a number of mutations affecting muscle cells. However, most cases are of unknown cause.
那些出现在某个家庭的扩张型心肌病的病例与一些影响肌肉细胞的变异相关。然而，很多病例是原因未明的。
Measurements made on the model then provide information about the unknown object, as long as the model corresponds with the object in certain essential points.
只要使用的模型具备位置对象的主要特性，这种测量方法技能提供未知对象的信息。
No one is quite certain what this signifies historically, as the very existence of Iceland was unknown to the ancient Romans.
没有人能确切地说出这件事的历史意义，因为古罗马人根本不知道冰岛的存在。
It is unknown exactly how atherosclerosis begins or what causes it. Some scientists think that certain risk factors may be associated with atherosclerosis, including.
尚未确切的知道动脉粥样硬化是怎样开始的或者是什么引起了它。有些科学家认为某些危险因素可能与动脉粥样硬化相伴随，包括。
Despite certain outcome has been achieved in research on it, lots of factors are still unknown and the its mechanism is unclear.
虽然大学生网络成瘾成因的研究已取得了一定的成果，但仍有许多因素有待确定，机制尚不明确。
I may be a fatalist and I always feel that an unknown power in my body is driving me to do this, if I don't do it, I have no idea why I feel very suffering and sorry for certain things.
我总觉得在我生命里面，是有一种力量在驱使我做这件事情的，如果我不去做，不知道为什么，心里就会非常得难受，感觉自己对不起某种东西。
And estimated the unknown quantity using the methods of least square estimation and local polynomial estimation, obtained the consistency of estimation under certain condition.
在半参数回归模型中采用最小二乘估计方法结合局部多项式方法来估计未知量，在一定条件下得到了估计量的相合性。
For a certain analyte that distributes within a narrow concentration range, the varied pattern of the dose-response curve might be necessary for accurate evaluation of unknown samples.
对于一个浓度分布狭窄的确定的分析物，各种各样的剂量响应图形可能对未知样本的准确估计有必要。
The dowsing rod is a simple instrument which shows the reaction of the human nervous system to certain factors which are unknown to us at this time.
探测棒是种简单的器具，它能显示出人类神经系统对某些我们此时还不知道的因素之反应。
The etiology is unknown. Studies have shown that it is related to overusing, dysfunction of basal ganglia, abnormality of the function of sensorimotor cortex and certain inherent cause.
病因尚不明，目前的研究认为过度的活动、基底节功能障碍、大脑皮质运动和感觉功能异常及一定的遗传背景可能与之有关。
To practical purpose, the solution tries to resolve the path planning problem of a certain kind of environment, which has static global environment with unknown-obstacles.
该方案从实用的角度出发，主要致力于解决移动机器人在全局静态环境已知，但存在未知障碍物（包括动态和静态）的一类环境下的路径规划问题。
To practical purpose, the solution tries to resolve the path planning problem of a certain kind of environment, which has static global environment with unknown-obstacles.
该方案从实用的角度出发，主要致力于解决移动机器人在全局静态环境已知，但存在未知障碍物（包括动态和静态）的一类环境下的路径规划问题。
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