The financial markets are currently optimistic, but the Greek problem isn't any closer to getting solved.

金融市场目前乐观，但希腊的问题离结束仍言之过早。

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The second problem--getting the light in there--was solved by the invention and refinement of the lightemitting diode and the laser in the past 20 years.

FORBES: The Trials Of Amory Houghton Jr.

Army officials have acknowledged that there were challenges in getting adequate supplies to troops in Iraq but say the problem was quickly solved.

CNN: In memo, Iraq war general noted readiness problems