A contingency planning approach was proposed to deal with the problems of implementation. Theory of contingency planning and relevant methods were discussed in the paper.

一种相对可行的办法是随机性的方法，本文中作者说明了随机性规划方法的理论和一些具体的实施方法。

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When writing about economic contingency planning in the best book about economics for business, I forgot how varied companies are in their planning processes.

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