But didn’t you explain that you have to use rpm-ostree to install packages and not dnf?
Download the app to your device of choice (the best VPNs have apps for Windows, Mac, iOS, Android, Linux, and more)
，详情可参考heLLoword翻译官方下载
Author(s): Xiongwei He, Fan-Shun Meng, Yanjing Su, Lijie Qiao, Shigenobu Ogata, Lei Gao
扎扎实实，踏踏实实，言犹在耳，发人深省。