After such an experience an animal often remains passive even when it can effect change—a state they called learned helplessness.
有过这样的经历后，即使是在能够带来改变的情况下，动物也常常保持被动——这种状态被他们称为习得性无助。
Many towns often found it politic to change their allegiance.
许多城镇经常发现改变拥戴对象不失为明智之举。
From the pictures, the scientists can often say how the weather will change so that it can work better for people.
从照片中，科学家们经常可以看出天气将如何变化，以便更好地为人们服务。
The UI tier contains much risk in this area because it is a visual tier for which business people often change requirements.
在这个方面，ui层的风险较大，因为对那些经常改变需求的业务人员来说，它是一个可视层。
So while our personal history can help us understand how or why things may have become the way they are today, it often cannot actually tell us what to do to change things right here and now.
所以当我们个人的历史能够帮我们明白如何或为什么事情会变成今天这个样子，事实上，它经常不能够告诉我们此时此刻做什么可以改变事情。
That begs the question why so many of them have remained poor, unskilled, often unhappy with their lot and largely unable to change it.
这人们就疑惑了：为什么那么多的埃及人仍然贫穷、不会技术，常常对生活状况不满但大部分人又无法改变它。
While it may be true right now, she noted that eating preferences often change.
虽然现在它可能是真的，她指出，饮食偏好往往会发生变化。
Stress often plays a role in insomnia, so try to change your reaction to it.
压力通常是失眠的原因之一，所以要尝试改变压力带来的副作用。
In fact, they often embrace this change rather than fight it.
事实上，他们通常拥护这个变更而不是与它作对。
This offered the most power, as it is expected that the front end of the application would change more often than the internal application.
这就提供了最强大的功能，因为应用程序的前端将比内部的应用程序变化得更为经常。
If a new regression bug is found, it is often easy to detect which change is likely to have caused it.
如果发现了一个新的回归缺陷，通常会容易地检测出这个缺陷可能是哪个改变导致的。
Although change is often difficult, it can be good, too.
虽然改变常常很难，但也可以变得美好。
At this point, it is often hard to reconsider process models and gain support among key personnel to change what until recently worked well.
此时，经常会难以重新考虑过程模型，难以获取关键员工的支持以改变目前工作良好的过程。
The bad news is that our fears, attitudes and expectations have been our companions for a long time and it often takes some effort to change them.
坏在我们的恐惧、看法和期望会伴随着我们很长时间，而且经常需要一些努力来改变他们。
But in actuality, it is not necessary to change our feelings in order to take action. In fact, it is our efforts to change our feelings that often makes us feel even worse.
事实上，这些都是不必要的，我们没有必要在行动之前改变我们的精神感受，这种改变的尝试常常会是事情变得更糟。
Although many of these children will not develop problems, the ones who do are often punished in the expectation that it will change their behavior.
尽管被期望改变他们的行为而经常处罚孩子们，但大多数孩子并不会有什么进步。
Changing the order of lifelines does not change the semantics of the diagram, but it often improves the clarity or aesthetics of the diagram.
变更生命线顺序的操作并不会更改图表的语义，但是它通常会提高图表的清晰度和美学意义。
Rich and poor countries generally agree that climate change must be addressed, but often differ on how to go about it.
富裕和贫穷国家一般都认为，气候变化的问题必须要加以解决，但是，他们往往在如何解决的问题上意见分歧。
Meanwhile, social psychologists have shown that pressuring people to change their minds often produces precisely the opposite of the desired effect: it makes them more resistant to change.
同时，社会心理学家表示通过施压来改变人的思想通常取得反效果：这使他们更拒绝改变。
Public outrage is the best antidote, because it often leads to change.
公众的愤怒就是最好的良药，因为只有它能经常导致变革。
While it might be easy to change the software, changing the hardware is often difficult, if not impossible.
相对于硬件来说，改变软件更加的容易。
Standards compliance in Web browsers does not do what people often think it does, and HTML5 does not change that fact.
Web浏览器里面的标准兼容并没有像人们通常所认为那样的行为，HTML 5也没有改变这一事实。
Often, for a particular state change, it is easy to calculate two of these, but not the third.
对于一些特定的状态变化，它们中的两个很好计算，但是第三个往往不容易计算。
Of course, we know that these things happen anyway, even without climate change - they may happen more often under a warmer climate, but it is wrong to blame climate change for every single event.
当然，我们知道这些事迟早要发生，即使没有气候变化——他们在更暖和的气候中发生得更频繁，但每一个气象事件都归咎于此是错误的。
If it's true that we would rather initiate change than have it thrust upon us, then why do we not do it more often?
确实如此，我们宁愿发起改变，而不喜欢强加的改变。那么，我们为什么不更多地发起改变呢？
Since the business logic is buried inside the code, even a smallest change, such as changing the maximum permitted age for insurance, requires a full-cycle it change, which is often a lengthy process.
由于业务逻辑隐藏在代码中，因此，即便是一个微小的更改(比如更改最大参保年龄)，都需要一个完整的IT更改周期，这通常是一个非常漫长的过程。
We'll talk more about this later, but it often happens that when you change your program to solve one problem you break it, and things that used to work don't work.
我们以后会更多的去讨论者一点，但是经常发生的情况是当你因为，一个问题修改你的程序的时候，你修改了程序，但原来没问题的模块。
As your team matures in using these devices, you'll want to change it up every so often to add variety and keep people interested in build statuses.
您的团队逐渐熟悉了这些设备之后，您还可以时常加以更改，添加新的反馈机制以保持人们对构建状态的兴趣。
Put it in writing. People who want to make a change often are more successful when they put it in writing.
要动笔那些想要有所改变的人，当他们把它写下来的时候通常可能获得更大的成功。
Put it in writing. People who want to make a change often are more successful when they put it in writing.
要动笔那些想要有所改变的人，当他们把它写下来的时候通常可能获得更大的成功。
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