请问这个句子语法上有没有错误?

题目

请问这个句子语法上有没有错误?
Our elite team is composed of experts who had worked many years in the relevant national law enforcement agencies and professionalswho have rich experience in the theory and practice of intellectual propertyrights.

答案

除了第一个had worked的时态不正确以外其他没什么问题.全局还是比较啰嗦,从句似无必要.Our elite team is composed of experienced experts from national law enforcement institutions and professionals sophisti...