风暴来临前，我们的经营没有盈余，因为有太多贫困的患者。

We were not operating in the black before the storm because so many of our patients were indigent.

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然而，这些因素自2009年3月便已经开始得到扭转，并且现在市场普遍预期韩国2009年经营其来往账户是略有盈余的。

However, these factors have started to reverse since March 2009, and markets now generally expect South Korea to record a current-account surplus in 2009.

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并提出一种市场盈余公平分配模型与算法，以规避区域内各省市电网公司的经营风险。

Furthermore, a fair market surplus allocation model and algorithm is presented to evade the management risks of each provincial or municipality power grid companies in the region.

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