To do that, Costello's co-lead researcher took samples of bacteria from mothers and babies immediately before and after birth.

VOA: standard.2010.06.30

I don't expect you'll all immediately grab it, but you will need to understand it before the quiz comes along.

我不期望你们马上就能掌握，但是你们需要在,考试前弄懂它。

麻省理工公开课 - 计算机科学及编程导论课程节选

If the stereotype is "your group doesn't do good in this," if I remind you that you're a member of that group immediately before doing it, your performance will drop.

如果刻板印象是“你的群体数学不好”,如果我在考前说，你是这个群体的,你的表现就会下降。

耶鲁公开课 - 心理学导论课程节选

But that was different than what people had been doing immediately before then.

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It is one of the few types of real estate that didn't see a big run up in the volume of deals immediately before the recession.

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They want to speak to the driver of a blue X-registered Mercedes 230 CLK that was seen driving with the Seat Leon immediately before the incident.

BBC: Halifax car crash: Mother killed, six men arrested