the process of making changes to a text or film, deciding what will be removed and what will be kept in, in order to prepare it for being printed or shown

Filming the documentary took two months, but editing took another four. 拍摄这部纪录片花了两个月，但剪辑又花了四个月。

I’d recommend additional editing to correct the minor grammar mistakes throughout. 我建议进行附加的编辑来纠正整篇文章中的小的语法错误。