我已经完成了系统里面的内容的翻译：I have completed the system and the content 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 have completed the content inside the system

I have completed the system and the content

I have already completed inside the system content

I have already completed the content inside the system

I have completed the system and the content