1998年，俄罗斯发生了债务违约危机，然后出现了一些停顿，可能与现在的情况类似。
In 1998, there was the Russian default crisis and then there was some seize up of that maybe resembles what is happening now.
过度乐观可能会助长不良投资模式，导致出现房地产“泡沫”，但这篇报告的作者对这种潜在后果只是一笔带过，认为这种后果尚未发生。
While excessive optimism can promote bad investment patterns, resulting in a real-estate "bubble," the report's writers downplay that potential outcome in that it has not yet occurred.
例如，对动物的研究表明，老鼠在怀孕期间经历压力会导致胎儿表观遗传发生变化，进而导致啮齿动物在成长过程中出现行为问题。
Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic changes in a fetus that lead to behavioral problems as the rodent grows up.
这几件事发生以后，当年就出现了一种有趣的结果。
There was an interesting sequel to these events later in the year.
美洲巨型动物的消失——猛犸象、剑齿猫、巨型树懒等等——发生在人类出现后不久，大约在一万三千年前。
The disappearance of megafauna in America—mammoths, saber-toothed cats, giant sloths, among others—happened relatively soon after the arrival of human beings, about 13,000 years ago.
与此同时，发展中国家的手机用户从1990年到2004年出现了缓慢增长，然后从2004年到2007年出现了大幅增长：最大的增长发生在2005年到2006年。
Meanwhile the mobile phone subscriptions in developing countries have witnessed a slow increase from 1990 to 2004 and then a great surge from 2004 to 2007: the biggest surge happens from 2005 to 2006.
偶尔空调机组会出现故障，这时就会发生死亡事故。
Occasionally air-conditioning units failed and it was then that fatalities occurred.
军队集结、英勇抵抗、对手间的争斗，此类叙事单元不断重复出现，只有角色和场景发生变化。
The same narrative units—gathering armies, heroic shields, challenges between rivals—pop up again and again, only with different characters and different circumstances.
当新的参与者出现时，会发生什么呢？
当有好事发生时，他们往往会享受当下，并抓住出现的机会。
They tend to enjoy the moment when something good is happening, and seize opportunities that come up.
当新的参与者出现时，他们在现有文化中没有深厚的根基，会发生什么？
What happens when new players emerge, who don't have deep roots within the existing culture?
天气不可预测，土壤质量发生变化，害虫和疾病随时都可能出现。
There's unpredictable weather, changes in soil quality, and the ever-present possibility that pests and diseases may pay a visit.
在6%的病例中，可能出现相反的分布，皮疹主要发生在四肢。
In 6% of cases, an inverse distribution may occur, with rash mostly on the extremities.
随着越来越多独特的手工制品出现，人们及他们的家也发生了巨大的变化。
People and homes are showing great change as more and more unique handcrafted items become available.
尽管在一些地区可能出现了人口压力，世界人口危机是不太可能发生的。
The idea of a world population crisis is therefore unlikely, although population pressure might have arisen in some areas.
这些事情都发生在蒸汽火车出现之前，而且，运河修建在那时正处于繁荣时期。
This was before the steam locomotive, and canal building was at its height.
1660年左右英国才出现茶叶，而中国与西方国家的茶叶贸易发生在19世纪。
In England, tea didn't appear until around 1660. The tea trade from China to Western countries took place in the 19th century.
同样的事情发生了——孩子中的一两个会时不时地出现并加入到园艺工作中。
The same thing happened—one or two of the children would appear and join in the gardening from time to time.
我很快发现，自从那些令人不安的关于营地周围有成吨的垃圾的报道出现以来，情况发生了很大的变化。
I soon discover that much has changed since the days of disturbing reports of camps among tons of rubbish.
即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。
Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
问问你自己如果“如果”没有发生会出现什么情况。
但是，当您有100个类，并且突然出现一个错误时，会发生什么呢？
But what happens when you have 100 classes and a bug crops up?
当这一切发生时，会出现很多问题。
但是你需要对出现的问题和发生的变化作出快速响应。
Today, you need to respond with agility to rising issues and changes.
当出现未建模错误时，会发生什么情况？
如果在“完成”之后出现问题，又会发生什么？
那么，当那些“创纪录的收成”不再出现时会发生什么？
So what happens when those "record harvests" no longer materialize?
但是，如果出现系统电源故障或者崩溃，又会发生什么情况呢？
But what happens in the case of a power failure or system crash?
约翰•汉姆表示：“我们以前认为，压力是随机出现的危急现象，只会偶尔发生。
We used to think of pressure as this random acute phenomenon that happened every once in a while.
这种情况可以出现一次，也可以根本不发生。
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