Firstly this paper tells research category and meanings of cost control and analyses how to control costs by value chain and cost drive factor.

文中讲述了成本控制的研究范畴及其含义，通过价值链和成本驱动因素分析研究成本控制的方法和途径。

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In addition to the high cost of living, the territory's deteriorating environment is a negative factor in the drive to attract high-tech.

CNN: HEADING FOR A PORT IN A STORM