You can install and remove packages as and when you want to, and you can choose whether to install free or non-free software on your system.
你可以随心所欲的安装或者移除软件包，选择在你的系统上安装自由软件还是非自由软件。
GPL version 2, in 1991, was designed also to prevent patent holders from using their patents to impose licenses on redistributors in a way that would make the software non-free.
1991年第2版GPL的设计，同样是为了防止持有专利者利用他们的专利权以某种会使软件变得非自由的手段强加许可协议给重发布者。
This third-party repository gives us access to all kinds of non-free software such as Adobe Reader, Skype and codecs for restricted media formats.
第三方软件仓库给使我们可以获得非自由软件，例如adobeReader,Skype和受限格式的解码包。
It 'says that non - free software is a suboptimal solution.
它说非自由软件是一种次最优的解决方式。
This control and the source code are free to be used with commercial and non commercial software.
这种控制和源代码可以自由地与商业和非商业软件的使用。
Is a closed source solution. It is free for use for non-comercial software, but requires the payment of licenses for commercial software.
它是一个闭源的解决方案。它是免费的但非商业使用软件。要求支付商业使用费用。
The software is free for personal, non-commercial use.
该软件是免费的个人，非商业用途。
The software is free for personal, non-commercial use.
该软件是免费的个人，非商业用途。
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