通过Selenium中的兄弟节点找到一个web元素，其中兄弟节点由程序确定

I need to locate a report link. But the information of the link itself is too general to characterize but its next sibling is a span element whose text can identify the span element. So I decided to first find the span element, then use the span element by the way of preceding-siblings of xpath to find the link element. I need to locate a report link. But the informa