原文：Competition in business is also believed to strengthen the id

原文：Competition in business is also believed to strengthen the idea of equality of opportunity.
译文：人们还相信，机会均等的思想能够被商业竞争强化。
【正确答案】：
改译：人们还相信，商业竞争能够强化机会均等的思想。
【题目解析】：
被动句改作主动句，增译主语，