help me to translate a sentence
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!
答
失业率在2009年6月到7月时曾经一度下降,但在接下来的三个月内持续上升.