translation.en: Now, for decades there has been a canonical solution to this problem, which is to use something called a "version control system," and a version control system does what is says on the tin.
translation.zh: 如今的几十年里，有一个标准的 解决问题的办法，就是使用 “视频监控系统” “视频监控系统” 这个系统会丝毫不差地做你要它做的事