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。

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I plan to enroll my son in the primary school attached to the university I work for.

我计划让我儿子就读我所工作的大学的附属小学。

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They would need to work with a primary-care physician to develop a plan to help them lose weight and otherwise improve their health.

WSJ: Arizona Proposes Medicare Fat Fee