But there are different accounts about how this happened.

但对于这次事件如何发生也有不同言论。

These changes weren't happening in a vacuum.

这些改变并不是凭空出现。

And the long-sought holy grail of ubiquitous voice recognition really will eventually happen.

人们长期以来向往无所不在语识别最终将成为现实。

Satellite data often tells you what happens after it's happened.

“卫星数据通常在事后才会告知你发生了什么事。”

The building was being demolished when the collapse happened.

这座大楼在拆除过程中倒塌。

That's thought to have happened after breakup of the Soviet Union.

据了解，自从苏联解体之后，这类交易就开始了。

" I would cry if that happened to me, " said another athlete.

“如果发生在我身上，我会哭。”

Hermione listened to what had just happened with her mouth open yet again.

赫敏听了刚才发生事，嘴又张开不拢了。

I was 8 years old and a thousand miles away when Stonewall happened.

当“石墙事件”发生时，我只是一个8岁男孩，距那里也有1千英里。

Alas, just because something is irrational does not mean it will not happen.

然而，有些事即使不理，还是会发生。

How old was she when this happened?

这件事发生时候她多大？

Human flow has always happens in human history.

人口流动是人类历史上经常发生事。

So it's clear that something has happened there.

因此，那里显然进行了军事行动。

The FBI is helping investigate how this happened.

美国联邦调查局正就此次袭击展开调查。

Nobody would have ever thought this could have happened.

没人想到会发生这样事情。

About three years ago, something terrible happened to me.

大约3年前，我身上发生了一些可怕事。

Then about seven million years ago something major happened.

接着，大约700万年前，某种具有决定意义事情发生了。

And there was a time when it nearly happened.

而这险些就发生了。

Such a thing had never happened to Swallow before.

燕子以前从没遇见过这种事情。

It's been almost a year since that happened.

现在距那起火灾差不多过了一年时间。