apt 升级时遇到报错,如何修复?
```
$ sudo apt upgrade -y
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following upgrades have been deferred due to phasing:
libreoffice-gnome ...
0 upgraded, 0 newly installed, 0 to remove and 35 not upgraded.
sudo apt -o APT::Get::Always-Include-Phased-Updates=true upgrade
```