The most expensive step of the plan phase is refreshing state.
'ZDNET Recommends': What exactly does it mean?
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为什么人的问题，是政绩观的首要问题，检验着一个政党的执政宗旨，决定着干事创业的根本方向。
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That’s the classical Modular Software Design. What it misses, though, is testability. If a business-module has a lot of complex business logic, it cannot be easily tested, since the business logic is mixed with the untestable infrastructure code (e.g. file system or network calls) that lies in the same module. So we need to introduce a separation, and that’s where Infrastructure-Modules come into play.