Many of them had been displaced several times before.

其中许多人此前有过数次流离失所的经历。

The people have experienced hard times before.

人们以前经历过艰难时期。

We spent some time together before this.

之前我们在一起过一段时间。

We have heard that one many times before.

这种话我们以前听过很多次。

And I was searched four times before getting in.

我经过了四次搜查才得以进入。

There have been boom times before.

美国也曾历经过繁荣。

That's only happened four times before.

这种情况以前只发生过四次。

It will be some time before that has an effect.

市场调控取得成效将需要一段时间。

I never got to spend much time with him before.

我以前从未和他有如此长的时间相处。

As we have mentioned many times before, everybody loses in a protracted trade war.

“我们不止一次提到，在长期的贸易战中没有赢家。

Machines can't handle things they haven't seen many times before.

机器无法处理之前没有反复见过的事情。

Always check the time at the end of the receiver before sending the message.

在发送信息之前，一定要检查接收者最后的时间。

And that crash rate is 2.6 times more than the 700 million years before then.

这个撞击率是7亿年前的2。6倍。

They hugged their daughters goodbye and left them at home, as they had many times before.

像以往那样，他们和女儿们拥抱告别，把女儿们留在了家里。

It will carry two astronauts to the International Space Station. That's been done many times before.

这次发射计划将两名宇航员送入国际空间站。此前这类任务已经进行过多次。

You'll likely finish your essay before time runs out and giving yourself the opportunity to proofread.

你很可能会在时间用完之前完成你的文章，并让自己有机会进行校对。

" My dear Copperfield! " he cried. " I've been several times before, but you've been out."

“亲爱的科波菲尔！”他叫道，“我来过好几次，你都没在家。”

That's been done many times before, what's different this time around is how they'll get there.

我们此前已经执行过多次航空发射任务，但这次宇航员到达太空的途径有所不同。

And then it's great because I don't waste any time before sleeping because I'm always reading.

这很棒，因为我睡觉前不会浪费任何时间，因为我总是在看书。

They spent some time in a Russian research facility before being moved to an aquarium in China.

它们在俄罗斯研究所度过了一段时间，然后被送到了中国的一家水族馆。