So far the search for longevity genes in humans has been extremely difficult, but prospects brighten as genomic technologies become faster and there are more centenarians to study.

迄今人类寿命基因研究仍十分艰巨，而随着基因组技术的快速成长以及能对更多的百岁老人进行研究前景一片光明。

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That does not do much to brighten the prospects of kids in the city.

那并没怎么改善城里孩子们的前途。

《柯林斯英汉双解大词典》

Yang even rejected merger overtures in February, 2007, Ballmer wrote, hoping a new ad strategy and reorganization would brighten prospects.

杨还于2007年1月拒绝了合并的提议，鲍尔默写道，希望一个新的广告策略和重组能照亮前景。

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Conversely, if your job prospects brighten or you make steady progress building financial assets, you can be comfortable carrying more debt.

FORBES: How Much Debt Can You Handle?

Brazil, Chile and Mexico have all seen their economic prospects brighten during the past year as commodity prices rose, rich-country economic growth strengthened and private capital flows to emerging markets resumed.

ECONOMIST: Floating with an anchor