But it often fails to predict the changes that happen as a crowd's density increases and its movement becomes chaotic.
不过当涉及到群体的密度增加，运行变得混乱时，对于预测发生的变化往往不能奏效。
And if they happen then they will most often not be as painful or bad as you expected.
如果他们真的发生了，他们也并不如你所想的那样痛苦和糟糕。
And the mistakes these guys commit often happen as SOON as they meet a girl.
这些男孩子们承认他们只要遇到一个女孩就常会犯错误。
This sounds complicated, but it usually isn't, and it doesn't happen nearly as often as you'd expect.
这听上去非常复杂，但事实通常并非如此，它的发生几率几乎与您希望的一样低。
Managers promoting a new venture or initiative often don't realize that, even as they are asking people to behave in a new way, they are making it difficult for that to happen.
倡导新方案的管理者们往往意识不到这一点，即使在他们要求别人以新的行为方式工作时，他们却正在使他们的想法更加难以实现。
As a side note, tied arrays happen to be the most complex tied variable type, and the least often implemented on CPAN by my count.
顺便说一下，绑定的数组正好是最复杂的绑定变量类型，而且根据我的统计在 CPAN 上也实现得最少。
I had to think fast, and as would so often happen in the years ahead, I turned to Hillary for judgment and advice.
我必须迅速考虑好，在那几年这种事情我一般都是找希拉里商量的，让她帮我做出判断并提出建议。
A network nurtures small failures in order that large failures don't happen as often.
网络不断孕育着小的故障，以此来避免大故障的频繁发生。
As a result, any reorganisations that do take place often happen informally.
因此，任何重组都是通过非正式渠道进行的。
For positive habit changes, such as exercise, you need a trigger that will happen every day (or as often as you need it to happen).
而对于像锻炼身体这样积极的习惯而言，你则需要一个每天都能促成的契机(或是每当你需要的时候)。
As everyone knows, the things in dreams are not often happen in the real world, it is a bizarre and untouchable world that can evolve by its own logic, different from the one in our life.
众所周知，梦中的事物常常是不能在现实世界发生的，梦是光怪陆离的，难以触及的，拥有它自己内在逻辑的，和我们生活的这个世界完全不同。
The holidays can be stressful enough without the pressure of awkward questions, but as much as we would like to avoid them, they can, and often do, happen.
假期里的压力本来就够大了，更别提再加上这些让人尴尬的问题，但事实上，通常我们有多想避开这些问题，这些问题就有多大可能会出现。
For example, sensory, emotional and rational learning often happen simultaneously as we encounter new knowledge or a new experience, assess it and make decisions in relation to its relevance.
例如，当我们遇到新的知识或经验时，我们往往会同时运用感官、情感和理性思维的学习往方式去评估并作出决定。
More often than not, there is a kernel of truth in those forecasts, as there was in the BoE's prediction of what could happen after Brexit.
那些预测往往都有事实作为核心，就像英国央行对于英国退欧后可能出现的情况的预测。
It doesn't happen often, but there are few black sheep in Parliament, as there are any where.
这种事情并不多见，但正如在其他地方一样，国会也有害群之马。
As I ran away, I started to think of how suddenly the need to make a choice had come upon me, and how often such things happen.
我渐渐跑远了，开始思考要我做出这样的抉择是多么突然，以及这种事情发生的频率。
Most families have kept dogs as their pets, some moving stories often happen between these lovely dogs and their owners.
大多数家庭一直把狗作为他们的宠物，一些感人的故事经常发生这些可爱的狗和它们的主人中。
The changes in investor mood often happen in a flash-an infection of outlook that can seem as swift as an epidemic of flu.
投资者的心境变化通常都在须臾之间，对未来的看法改变可以像流行感冒一样迅速传播。
Still, she often appeared anxious about my love affair, and would ask questions that seemed to me strange, almost as though she feared that something would happen to destroy my romance.
但她对我的婚姻大事还是经常挂在嘴边。她常常问一些怪怪的问题，几乎像担心我的婚事会告吹一样。
Sickness will happen to real vampires usually as often as it will to a person, just they don't stay as sick for as long.
疾病会发生真正的吸血鬼，因为一个人通常会经常，只是他们不逗留长达生病。
But mechanical faults such as breakage of rotor bars often happen owing to various stresses. Therefore online detection on induction motors is necessary.
但由于工作环境恶劣，或者电机频繁起动等原因，转子导条经常会发生开焊和断裂等故障，因此有必要对电机进行转子断条在线检测。
Most people will understand, as long as it doesn't happen too often!
只要你不是经常这样，一般来说还是可以理解的。
We'll continue to adjust the credit as needed, but hopefully this won't happen too often.
以后还将根据需要对积分方案进行调整，但应该不会太频繁。
As you can see I had one of those ' blue head to toe'days which happen to me often being the color blue my own personal ' black'.
正如你所见，我经常会有从从头到尾都穿蓝色，蓝色其实是我个人眼中的'黑'。
Sometimes we laugh at ourselves - which seems to happen more often as we get older!
有时我们会笑我们自己-就好象我们时间变老了！
Sometimes we laugh at ourselves - which seems to happen more often as we get older!
有时我们会笑我们自己-就好象我们时间变老了！
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