我在过去的工作中没有接触过退税务系统的翻译：I work in the past have no contact with a fall in tax system 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I work in the past did not come into contact with the tax refund system

I work in the past have no contact with a fall in tax system

I have not contacted in the past work have drawn back the tax affairs system

In the past the work I have been in contact with the tax system is not in

I work in the past have no contact with a fall in tax system