We must decide between A and B.

我们必须在A和B之间抉择。

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It is situated midway between a and b.

它位于甲乙两地的中间。

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Let us make a comparison between a and b.

让我们比较一下生活在城市和生活在农村。

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Then Miguel Algarin and the others were offered a nearby building on Third Street between Avenues B and C.

VOA: special.2009.04.27

In this case we have a double bond between a and b, and in this case we have it between b and c.

在这种情况下，我们在，A，与，B，之间有一个双键，而在这种情况下，双键在，B，与，C，之间。

麻省理工公开课 - 化学原理课程节选

If there's no heat flow between the b and c, then I can say all right, a and c were the same temperature.

如果在与之间没有热量流动，那么我就可以说，好吧与处于相同的温度。

麻省理工公开课 - 热力学与动力学课程节选

But most major road trip-planning tools, such as AAA, Google Maps and Mapquest, bypass these inspiring sights, assuming that most travellers only want the fastest route between points A and B.

BBC: Plan your great American road trip

It was clear from the start that this bridge is much more than an expedient path between points A and B.

WSJ: A Concrete Ribbon Through the Clouds | Millau Viaduct | Masterpiece by Joseph Giovannini

Space is not just an empty void between point A and point B.

MSN: Warp speed? Slowing down could be a real killer