所以我确实设法设置了 apt-preferences 但我不确定我是否做得正确。所以基本上我想要的是，如果我有需要，我想安装来自 TESTING、UNSTABLE 和 DEB-MULTIMEDIA 的软件包，并且（仅）这些软件包也从特定的 Repo 获取更新。但作为“基础”，我想要稳定版本。如果有人可以检查我的设置是否正确，那就太好了，因为我不太确定引脚优先级是如何工作的......
所以这是我的来源列表
## CRUNCHBANG
## Compatible with Debian Wheezy, but use at your own risk.
deb http://packages.crunchbang.org/waldorf waldorf main
#deb-src http://packages.crunchbang.org/waldorf waldorf main
## DEBIAN-STABLE
deb http://ftp.cz.debian.org/debian stable main contrib non-free
#deb-src http://http.debian.net/debian wheezy main contrib non-free
## DEBIAN-BACKPORTS
deb http://http.debian.net/debian wheezy-backports main contrib non-free
## DEBIAN-TESTING
deb http://ftp.cz.debian.org/debian testing main contrib non-free
## DEBIAN-UNSTABLE
deb http://ftp.cz.debian.org/debian unstable main contrib non-free
## DEBIAN MULTIMEDIA
#deb http://www.deb-multimedia.org wheezy main non-free
## DEBIAN SECURITY
deb http://security.debian.org/ wheezy/updates main contrib
#deb-src http://security.debian.org/ wheezy/updates main
和我的倾向/偏好
Package: *
Pin: release a=waldorf
Pin-Priority: 1001
Package: *
Pin: release a=stable
Pin-Priority: 800
Package: *
Pin: release a=wheezy-backports
Pin-Priority: 650
Package: *
Pin: release a=testing
Pin-Priority: 400
Package: *
Pin: release a=unstable
Pin-Priority: 90
Package: *
Pin: origin *.deb-multimedia.org
Pin-Priority: 10