英语翻译the newly developed markets will demand of workers an un

英语翻译the newly developed markets will demand of workers an understanding of sophisticated technical communications systems as well as an increased technical expertise.翻译是:需要会复杂技术通信和不断发展的专业技能的工人..想问问各位老师 workers 和 an understanding 中间是不是有什么语法省略之类的呢?我直接翻译出来没啥问题...不过看起来好像有点怪...是什么语法结构吗?