每年至少完成2项质量改进工作的翻译：Each year at least 2 quality improvement work done 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

Completed at least two quality improvement work

Each year at least 2 quality improvement work done

At least completes 2 quality improvement work every year

Each year at least 2 quality improvement work

Each year at least 2 quality improvement work done