例如：
$ sudo apt-get install curl
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
bsh : Depends: libjline-java but it is not going to be installed
groovy : Depends: libjline-java but it is not going to be installed
rhino : Depends: libjline-java but it is not going to be installed
E: Unmet dependencies.
Try 'apt-get -f install' with no packages …