regulate cost的用法和樣例：
例句
- How to improve social medicare efficiency and control the cost is a hot topic in the last several years.
摘要如何提高醫療保險制度的效率，有效控制成本，是近幾年來的研究熱點和難點問題。 - A responsibility center is any point within an organization where control over the incurrence of cost or the generating of revenues is found.
責任中心即在某一企業內能控制成本的發生或收入產生的任何點。
