要能做出有效的决策，主要必须采取两个步骤。

To make decisions effectively, one must basically carry out two steps.

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最后，通过实例说明了所提出方法的决策步骤，并验证了方法的有效性。

Finally, an illustrate example shows the decision-making steps and the effectiveness of this method.

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最后，通过实例说明了所提出方法的决策步骤，并验证了方法的有效性。

Finally, an illustrate example shows the decision-making steps and the effectiveness of this method.

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