有些软件作者为他们的程序制作了Debian安装包，但并没有提供软件仓库以供apt下载之用。
Some software authors create Debian packages of their programs, but do not provide a repository for APT to fetch from.
而专用安装软件制作工具的出现大大改善了这些不足，为应用软件制作安装程序提供了方便。
Nowdays, there are many ways to develop an installation procedure for application softwares, for example, common used installion tools and some special ones.
而专用安装软件制作工具的出现大大改善了这些不足，为应用软件制作安装程序提供了方便。
Nowdays, there are many ways to develop an installation procedure for application softwares, for example, common used installion tools and some special ones.
应用推荐