Although these guidelines also apply to real-time development, all of the examples are business application-oriented, simplifications of actual systems that I have built in the past.

尽管本书中提到的准则对实时开发也同样有效，但所有的示例都是面向业务应用的，并且是对我过去所开发的实际系统的简化。

youdao

These people were trapped in a time -- a present-oriented time zone in which you never think of the future, you never think of the past.

CNN: Researcher: It's not bad apples, it's the barrel