With proprietary, closed-source software, your primary moneymaking plan is to sell licenses, and possibly do some custom work for specific customers.

使用专有的、封闭源代码的软件，您的主要赚钱计划将是卖许可证以及可能为特定客户做一些自定义的工作。

youdao

The final criticism I have seen occasionally leveled at open source software and communities is that they will never win; there will always be proprietary and closed-source software.

我最近遇到的针对开源软件和社区的批评是开源永远不会胜出；专有和封闭源码（closed-source）软件永远都会存在。

youdao

However, in general, the existence of proprietary software is fine by me, and I even buy some closed-source software if it does something I want done well enough to be worth the money.

不过，总的来说，专有软件的存在，我是不介意的，而且，如果闭源软件物有所值，我甚至还会购买。

youdao

After being quoted in Mr Spadaro's paper, Mr Raymond took to his own website to note that he had deliberately equated cathedrals with proprietary, closed-source software directed from above, by contrast with the more chaotic bazaar of equals which produces open-source code.

ECONOMIST: Monitor