我有Ubuntu12.04,我试图安装中文输入。我收到以下错误消息:
Requires installation of untrusted packages
The action would require the installation of packages from not authenticated sources.
Details:
cmap-adobe-cns1 cmap-adobe-gb1 fonts-arphic-ukai fonts-arphic-uming
ibus-sunpinyin ibus-table-cangjie ibus-table-cangjie-bi