曾经发生过什么事已经都不重要了。
它帮助人们记住曾经发生过的事情，如梦想、友谊和幸福。
It helps people remember what once happened such as dreams, friendships and happiness.
我确信这曾经发生过。
这个地区曾经发生数百次石油泄漏。
这种变幻以前曾经发生过。
所以，也没有曾经发生。
曾经发生了非常残酷的群体斗殴。
冰岛火山曾经发生过强烈的喷发导致气候变化。
Icelandic volcanoes have been powerful enough to impact the climate before, Robock noted.
不要忘记曾经发生的坏事情，这将激发你的感激。
Don't forget the bad things that have happened, the contrast may encourage gratefulness.
曾经发生了什么？
但是，电影里的这所房子有点特别，因为在这里曾经发生过凶杀案。
However, this particular home in the movie is a place where murders have been done.
告诉急救人员孩子曾经发生健康问题或疾病也是很重要的。
It is also important to tell emergency workers about any health problem or illness your child has had.
扫帚的寓意是将事情做个彻底的了结，对曾经发生过的事情一扫而空。
Broom meant to make a clean sweep of things, a clean sweep of what had come before.
这曾经发生在拉丁美洲人和亚洲人身上，现在轮到印第安人了。
我不认为那些事情曾经发生过，我也从来没有看到类似的任何事情。
I don't think that ever happened. I never saw anything like that.
以上的原因调查表是基于95家曾经发生过员工不愿意接受调动的公司。
The list of reasons is based on 95 companies experiencing problems with employees reluctant to relocate.
大卫·查尔德斯称：“虽然它会让人回想起曾经发生在这里的悲剧，但它仍旧独一无二。”
"It is unique, yet it subtly recalls the tragedy that has happened here," David Childs said.
这张贴纸会一直留在图上，于是团队做回顾的时候就很容易回忆起曾经发生的事件。
The sticky note remains on the chart. When the team does their sprint retrospective, the can easily refer to the annotated burn-down chart to help them remember the key events of the sprint.
沙黛唱得好像有千百种离去的理由，好像这样的对话曾经发生过，也许发生过许多次。
Sade sings as if there are plenty of reasons to leave, and as if this conversation has happened before, maybe many times.
我对曾经发生的事情有强烈的看法······我没有任何理由不直率地表达这些观点。
I have strong feelings about what happened... And I don't have any reason not to forthrightly express those views.
他们发现一个早一点的解释说，一二十一年前，该星团同邻近的星团确实曾经发生碰撞。
They found an earlier suggestion that there had been a truly enormous collision between it and one of its neighbours between one and two billion years ago.
团队可以画一条回顾时间线，在这条线上组装起sprint中曾经发生过的关键事件。
A retrospective timeline is a tool for helping the team reconstruct the key events of the sprint.
然而存在着潜在的危险。汉旺镇地处龙门山断层带，历史上曾经发生过破坏性极强的地震。
However, the hidden danger was already there: Hanwang town is lying on the Longmenshan Fault, an area that has experienced damaging earthquakes in the past.
你也可以使用iPhone应用程序，但是我没有查询尽管是免费的，因为曾经发生过纠纷。
You can also use their iPhone app to scan peoples tickets if you like, but I didn't do this as it's free and it would have just been a hassle for very little benefit.
正是对照过去痛苦的回忆，现在的事物才比以前更好了。不要忘记曾经发生的坏事情，这将激发你的感激。
The way things are now may seem better in the light of bad memories. Don't forget the bad things that have happened, the contrast may encourage gratefulness.
如果这样的情况曾经发生过，虽然冰冻早已融化，但是飞机数据存储器上的错误读数肯定是存在的。
If that happened in this case, the ice would be long gone. But the faulty readings in the memory chips of the flight data recorder would remain.
如果这样的情况曾经发生过，虽然冰冻早已融化，但是飞机数据存储器上的错误读数肯定是存在的。
If that happened in this case, the ice would be long gone. But the faulty readings in the memory chips of the flight data recorder would remain.
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