注意：旧版 Skype for Linux 应用程序 (v4.*) 现在已停产并从 Canonical 的合作伙伴存储库中删除，因此此问题及其答案已过时。请参阅我们的规范 Skype 安装问题的更新答案。
我在尝试安装 Skype 时收到以下消息：
nidhin@ubuntu:~$ sudo apt-get update
nidhin@ubuntu:~$ sudo apt-get install skype
Reading package lists... Done
Building dependency tree
Reading state information... Done
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 …