问题描述：
help me to translate a sentence
unemployment rate had once before declined in 2009,from June to July,before proceeding to rise for the next three months.
I have some trouble to get the meaning of this sentense.thank you for your help!
unemployment rate had once before declined in 2009,from June to July,before proceeding to rise for the next three months.
I have some trouble to get the meaning of this sentense.thank you for your help!
问题解答：
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