我尝试运行sudo apt-get install npm它返回下面的这个对话。我该如何解决这个问题？
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
npm : Depends: node-gyp (>= 0.10.9) but it is not going to be
installed
E: Unable to correct problems, you …