另一方面，黑人男性却逆潮流而上，在2008年创下了预期寿命的新高70.2岁，和2007年相比增长了0.2岁。

Black men, on the other hand, bucked the trend and reached a record-high life expectancy of 70.2 years in 2008, up by 0.2 years compared to 2007.

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地产咨询机构世邦魏理仕（CB Richard Ellis）的研究报告显示，截至9月30日的6个月，在全球大多数市场写字楼租金纷纷下滑的同时，伦敦西区的写字楼租金却逆市上扬。

Office rents in the West End rose in the six months ended Sept. 30, as most global markets reported a decline, according to research from property advisers CB Richard Ellis.

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因此，工程师们才对拥有带状逆阵的带状矩阵感兴趣，然而那些是什么样的矩阵却并非显而易见。

So engineers are interested in banded matrices with banded inverses, but which matrices those are is by no means obvious.

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