To create a map of topics for a learning module, we selected the topics we wanted in the unit, and then placed topics in the order we wanted them to flow.
在创建学习模块的主题映射时，我们选择希望包含在单元中的主题，然后按照需要的顺序排列主题。
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In VS2008 for example, we inserted comments into generated unit test code in order to help beginner users to understand the various components of a unit test.
In any programming language and platform, having a set of well-though unit tests, is a commonly accepted practice in order to deliver maintainable code.