“转变的”用英语怎么说？

成功的企业对于经济转变的适应能力很强.Successful businesses are highly adaptable to economic change.很多传媒专家把这些纯新闻频道看作是朝着细分市场这一大势转变的组成部分。Many media experts see such all-news channels as part of a general move towards niche marketing.我想，出现了某种...