block synchronization的用法和樣例：
例句
- The specifics of each synchronization is controlled by a set of synchronization parameters.
每個同步的具體信息由一組同步參數控制。 - 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.
用戶同步的優勢顯而易見，但是要使用組同步的話，你必須搜索大量工作所需的參數。
