The Template Method design pattern (GoF) addresses a common problem: we know the steps of an algorithm and the order in which they should be performed, but don't know how to perform all of the steps.
模板方法设计模式(gof)强调了一个普遍的问题：我们知道算法的每一步，并且知道他们执行的顺序，但是我们不知道怎么样去执行所有的这些步骤。
An alternative to the Template Method is the Strategy design pattern, which factors the variant behavior into an interface.
模板方法模式的另一个选择是策略模式，它抽取了多变的行为到一个接口中。
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。
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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