问题描述：
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.
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.
问题解答：
我来补答展开全文阅读