城市建筑本身的社会意义始终是跨界争论的焦点议题。

The social importance of architecture is a frequent issue of debate across disciplinary boundaries.

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近几个月来，这个议题一直是关注的焦点。

This issue has had a high profile in recent months.

《牛津词典》

参议员奥巴马星期一在密西根州竞选时也把焦点放在经济议题上，密西根是美国失业率最高的州之一。

Senator Obama also focused on the economy Monday during a campaign event in Michigan, which has one of the highest unemployment rates in the country.

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