The makers of sugary breakfast cereals changed how they market to children, and the fast-food chicken dinner chain KFC stopped frying its food in artery-clogging,(high-trans-fat oils) after the group threatened to sue.

VOA: standard.2010.06.24

Therefore, it's a fast-growing market.

这是一个快速成长的市场。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Because this is a fast-changing market.

市场时刻都在变化。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选