But the official rate excludes workers laid off by state-owned firms.Thus at the start of this decade, when lay-offs peaked, it hugely understated true unemployment.是什么意思_But the official rate excludes workers laid off by state-owned firms.Thus at the start of this decade, when lay-offs peaked, it hugely understated true unemployment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句