The specifics of each synchronization is controlled by a set of synchronization parameters. 每个同步的具体信息由一组同步参数控制。
While the advantage of synchronized users is obvious, you have to search for arguments for doing a lot of work to get group synchronization working. 用户同步的优势显而易见，但是要使用组同步的话，你必须搜索大量工作所需的参数。
