error Unmet dependencies

輸入 apt install 的時候，出現 Error Message 我們應該如何處理？

Unmet dependencies

 直接輸入 sudo apt --fix-broken install
 會出現以下 Fix 信息：
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages will be REMOVED:
  netselect
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 50.2 kB disk space will be freed.

 可能需要你按 Y，才能繼續 Fix Install ，
Do you want to continue? [Y/n] y

(Reading database ... 108704 files and directories currently installed.)
Removing netselect (0.3.ds1-26) ...
Processing triggers for man-db (2.9.1-1) ...

Fix 教程完，無下文