我尝试按照以下方法安装 Mint Menu 包这些说明。但是，当我进入实际安装步骤时，出现以下错误：
$ sudo apt-get install mintmenu
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 help resolve the situation:
The following packages have unmet dependencies:
mintmenu : Depends: python-mate-menu but it is not installable
Depends: libmatepanelapplet but it is not installable
Depends: mate-menus but it is not installable
Depends: gir1.2-mate-panel but it is not installable
Depends: mozo but it is not installable
E: Unable to correct problems, you have held broken packages.
从我在网上看到的内容来看，似乎应该可以安装 Mint Menu，但也许我被误导了。
我可以让 Mint Menu 出现在 Gnome Flashback 中的 Gnome Panel 上吗？
如果没有，是否有适合我的系统且外观、感觉和功能与 Mint Menu 相近的替代菜单？