> The following packages have unmet dependencies:
> chromium-browser : Depends: libc6 (>= 2.28) but 2.24-11+deb9u3 is to be installed
> Depends: libfontconfig1 (>= 2.12.6) but 2.11.0-6.7+b1 is to be installed
> Depends: libstdc++6 (>= 7) but 6.3.0-18+deb9u1 is to be installed
> Depends: chromium-codecs-ffmpeg-extra (= 70.0.3538.16-0ubuntu1~ppa1~18.10.1) but it is not going to be installed or
> chromium-codecs-ffmpeg (= 70.0.3538.16-0ubuntu1~ppa1~18.10.1) but it is not going to be installed
> Recommends: chromium-browser-l10n but it is not going to be installed
> Recommends: libva-wayland2 but it is not installable or
> libva-wayland1 but it is not going to be installed
> E: Unable to correct problems, you have held broken packages.
我遵循的说明：https://launchpad.net/~saiarcot895/+archive/ubuntu/chromium-beta
我该怎么办？
如何使用“签名密钥和指纹”通过这些命令安装铬？
deb http://ppa.launchpad.net/saiarcot895/chromium-beta/ubuntu YOUR_UBUNTU_VERSION_HERE main
deb-src http://ppa.launchpad.net/saiarcot895/chromium-beta/ubuntu YOUR_UBUNTU_VERSION_HERE main
Signing key:
1024R/E6200BDA4A746F2A1F7FFD3FE6A17451DC058F40 (What is this?)
Fingerprint:
E6200BDA4A746F2A1F7FFD3FE6A17451DC058F40