The most recent numbers show that Pittsburgh lost almost two thousand people between two thousand seven and two thousand eight.

VOA: special.2009.07.13

Now let's think about designing the experiment itself. The goal here, there are two goals. Or more than two.

那么现在让我们来想想,怎么设计实验本身吧，这里有两个目标，或者多于两个目标。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, in order to fill our octet, what we do is put two on the nitrogen and two on the carbon.

因此，为了填满我们的“八隅体“,我们需要将两个放到氮上，将另外两个放到碳上。

麻省理工公开课 - 化学原理课程节选

Early on Merck ambitiously pursued an antiviral cocktail containing four vaccines: two against cancer, two against genital warts.

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We need two wins from the next two games (they play San Marino on 28 March).

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An actor could find himself working on three episodes with two different directors over two days.

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