The crisis has another legacy: despite the weakness of the dollar in recent weeks, the euro may struggle to challenge the greenback as the world’s main reserve currency.

此次危机的另一份馈赠在于：尽管美元最近几周走势疲软，但欧元对其作为世界主要储备货币的挑战也许并不轻松。

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However, integrating with redundant back-end functionality, locked-in legacy systems (custom and packaged applications) remains a challenge.

然而，通过与冗余的后端功能相集成，封闭的遗留系统(自定义应用程序和打包的应用程序)仍是一个挑战。

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I would love it to if I was LeBron. This gives LeBron a chance to cement his legacy and possibly challenge Jordan as one of the greatest basketball players of all time.

如果我是詹姆斯我也会喜欢的，这给了詹姆斯一个奠定自己历史地位的机会，而且有可能挑战乔丹第一人的地位。

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The legacy of Chavism remains a challenge for the future of the region and a threat to American security.

CENTERFORSECURITYPOLICY: Chavez��s Deeds: He Was A Threat to America and His Own People

The legacy of confidence means it is the challenge of politicians and civic leaders to foster that spirit so it doesn't disappear along with the fleeting summer sun.

CNN: London 2012 legacy: Trust the British to get it right

Suren Thiru, UK economics director at the BCC, said the challenge facing the UK was to develop a "long term economic legacy" post-2012.

BBC: Olympics and Jubilee 'boost international opinion of UK'