To do this validly, you must make sure that the free and non-free programs communicate at arms length, that they are not combined in a way that would make them effectively a single program.

• 要正当的这么做，你必须确保自由和非自由程序不嫩过于紧密地通信，就是不能以实际上它们是一个程序的方式组合它们。