Cold Wave. Frost and typhoons caused by the disastrous weather, the harvest of crops harm.

寒潮、霜冻和台风引起的灾害性天气，危害农作物的收成。

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Wave after wave of closures was economically disastrous for some parts of California, and negatively impacted the state's overall economy.

一轮接一轮的军事基地关闭使加州若干地区的经济损失惨重，进而从负面影响了国家的总体经济。

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But even if Obama's vetting process appears overly scrupulous, aides to the future commander-in-chief are likely more wary of an early disastrous appointment that would cause a wave of negative media coverage and raise early questions about Obama's leadership skills.

CNN: Obama's vetting could chase away candidates