这一策略允许使用强大的代码重构工具，而使用静态类型语言的同样方法来实现此功能则困难得多。
This strategy allows powerful code refactoring tools, which are much more difficult to achieve using the same methods for statically typed languages.
此策略难以实现，并且需要更长的时间进行开发和测试，并且比api层或Client Or chestration策略更易于出错。
This strategy is difficult to implement, takes longer to develop and test, and is more error prone than the API Layer or Client Orchestration strategies.
锁定所有的可信文件，一旦实现了此策略，则不能对那些文件做出任何更改。
All the trusted files are locked and no change can be made to them once this policy is realized.
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