When the unexpected happens, it's not uncommon for panic to set in quickly among the support staff.
当意外发生时，支持人员很快变得惊慌失措的情况并不鲜见。
During the subsequent recovery, something unexpected happens: Although GDP rises between 2002 and 2006, personal incomes fall.
在日后的恢复期，一些原来没有预想到的事情出现了：虽然2002年到2006年，GDP在增长，但人均收入却在下降。
Or, in the somewhat less coherent words of Margaret Thatcher, "the unexpected happens" and "fail-safe plans are designed to go wrong."
或者，用玛格·丽特·撒切尔那有点逻辑含糊的话来说，“意料之外的事情”以及“应急计划都是被用来应付错误的”。
Give yourself a margin for error. Give yourself more security than you need today. When the unexpected happens, you'll be glad you did.
充分考虑可能的错误，将你的系统设计的比需要更安全，那么当意想不到的事情发生是，你就不会措手不及。
After finishing , there are still some changes at hand , so you fill another at haphazard , something unexpected happens , it's just the winning ticket.
填好之后，手上还有一些零钱，于是你胡乱填一张，谁知道中奖的就是这一张。
While it veers off the topic of memory, in the study researchers also found that people tend to believe they will notice whenever something unexpected or important happens.
尽管这已经偏离了记忆的主题，科学家们也在研究中发现人们相信不管发生什么意料之外或是重要的事情，他们都能注意到。
That light can have this unexpected lift effect started with a very simple question, Swartzlander says: "if we have something in the shape of a wing and we shine light through it, what happens?"
发现光可以产生提拉力是个意外，而且这只源于一个很简单的疑问。Swartzlander说：“如果我们有翅膀形状的东西，并用光照穿过它，会发生什么事情？”
However, we all know that every now and then, something atypical happens, such as an unexpected power failure or system lock-up.
然而，我们都知道不时地会有一些意外发生，例如意想不到的电源故障或者系统挂起。
While we don't like to create programs that throw runtime exceptions at unexpected times, it happens — especially when running complex programs for the first time.
虽然我们不想创建在无法预期时抛出运行时异常的程序，但这种情况还是会发生——尤其是第一次运行复杂程序时。
Even if something unexpected or negative happens to one or more of those people, it only has a minor effect on the TOTAL production.
即使出现一些意想不到的负面或一个或多个这些人只有轻微影响整体产量。
But sometimes when we are telling a story about something surprising or unexpected that happens to us we don't use the grammar that you might expect.
但是有的时候，我们在讲述某件出乎人意料之外的事件的时候，语法可能会跟你想的不一样。
In Jerry Parker's world, the unexpected eventually happens.
在杰瑞·帕克的世界里，无法预料的事最终会发生。
"Crisis", to which delegates must respond immediately, is an emergent matter or unexpected event that happens during a conference.
危机是会议进行当中，各国代表需要立即处理的突发性事件。
At least once in our lives it seems reasonable to assume we will lose one source of income, and when it happens the news is always unexpected.
在我们的生命里，至少丢一次饭碗是很合理的，当它发生的时候也总是很意外。
Any downtime is unacceptable and we spend major time and money to make sure it never happens, but this situation is unique and unexpected in a way we could never prepare in advance.
任何停机是不可预料的，我们已经花费时间和金钱来确保它永远不会发生，但这种情况是少有的，意料不到的方式，我们永远无法预先准备。
Answer: "By accident" is a suddenly case which happens in unexpected cases, "once in a while" means unusual.
答：“偶然”指的是一种突然的情况，是在没有预料的情况下发生的，“偶尔”指的是不经常。
The unexpected event, which is very difficult for the public to predict and control when it happens, has great impact on the society.
突发事件，是指突然发生的、公众难以预测和控制的、具有较大社会冲击力的事情。
But nothing of the kind happens. Instead, the arpeggios evolve through a succession of gently unexpected harmonies.
但一个这样的音符也没听到。相反，和弦在一连串意料不到的轻柔和声中慢慢展开。
In the management of database, data backup is an important measure to guarantee the security of the database. And backup data can restore the database in case unexpected incident happens.
在数据库管理中，数据备份是保证系统安全的一项重要措施，在意外情况发生时，可以依靠备份数据来恢复数据库。
Though our lives don't always turn out the way we plan them, life is that happens when you embrace the unexpected.
生活不一定能尽如人原，坦然接受未知数才是生活的真谛。
An unsought, unintended, and/or unexpected, but fortunate, discovery and/or learning experience that happens by accident.
并未刻意寻找的，并未提前期待的，可又是幸运的且意外发现（或学习经验）。
An unsought, unintended, and/or unexpected, but fortunate, discovery and/or learning experience that happens by accident.
并未刻意寻找的，并未提前期待的，可又是幸运的且意外发现（或学习经验）。
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