求翻译：2009年末，发端于希腊的欧洲主权债务危机，已由单一国家主权债务危机正演变为整个欧元区的债务危机，进而发展为制约并影响欧洲乃至全球经济复苏的一场"债务风暴"。是什么意思？

End of 2009, the European sovereign debt crisis originated in Greece, has been the single-country sovereign debt crisis is evolving for the entire euro zone debt crisis, and thus the development of constraints and impact of European and even global economic recovery and a "debt crisis".

In late 2009, the originator of the European sovereign debt crises, by a single country has sovereign debt crisis is evolving across the euro area for the debt crisis, leading to the development constraints and effects for the European and the global economic recovery in a "debt crisis" .

2009 year's end, start in Greece's European sovereignty debt crisis, was evolving by the sole national sovereignty debt crisis for the entire Euro sector debt crisis, then the development for restricts and affects European and even global economic resurgence " debt storm ".

At the end of 2009, started in Greece the European sovereign debt crisis, by the sovereign debt crisis is turning into a single country debt crisis in the euro zone as a whole, further development for the restriction and influence of the European as well as global economic recovery to a "debt crisis

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