In most cases, this code's intricacy and complexity makes maintaining and updating the application's business logic a daunting task, even for experienced developers.

在大多数情况下，该代码的错综复杂性使得维护和更新应用程序的业务逻辑成为一项令人畏惧的任务，甚至对于经验丰富的开发人员来说也是如此。