委托操作,是指调度机构将其调管调和的操作权委托其它调度机构的操作方式
将这种依赖操作委托给Business Delegate模式。
Delegate the dependency operation to the Business Delegate pattern.
main方法简单地将每个操作委托给辅助(worker)方法。
The main method simply delegates each operation to worker methods.
与上面类似，将这种依赖操作委托给Business Delegate模式。
Similarly, delegate the dependency operation to the Business delegate pattern.
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