The reason why we are using a BIRT method is that it is easier and more flexible, and offers solutions to challenges around work item reporting.
为什么我们要使用BIRT方法的原因，就是它更容易，更灵活，并且提供了应对工作项报表挑战的方案。
There are several ways to set up the file system; the method shown here requires a bit of work at the beginning but is flexible.
设置文件系统有几种方法；这里采用的方法需要在开始时多做一些工作，但是比较灵活。
The Strategy design pattern takes a little more work to implement than the Template Method pattern, but it is more flexible.
策略设计模式比模板方法模式花费了更多的工作去实现，但是它也更灵活。
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