如何具体展开价值链分析，仍是一个难题。
It remains a difficult problem to develop a concrete value chain analysis.
最后，对价值链分析的应用效果进行评价，并对其前景进行展望。
Finally, the application of Value Chain Analysis is to evaluate the effectiveness and the future prospects of its.
本章主要讨论价值链分析、价值链优化和价值链评价的基本概念和方法。
In this chapter I mainly discuss the basic concepts and ways of value chain analysis, optimization and evaluation.
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