But more importantly, they found that the core region, called the focus of attention, has three roles - not two as proposed by previous researchers.

更重要的是，研究者们发现，核心记忆区域，即关注重点，有三项职能。这跟之前研究中所说的两项职能不一样。

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First, three of the counties in metro Atlanta’s five-county core region—Clayton, Cobb and Gwinnett—elected to start their own bus lines rather than merge with MARTA.

首先，在组成亚特兰大中心地区的五个郡县中的其中三个——克莱顿、 科布及佐治亚——选择自己开设公交线路而不与MARTA合并。

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