on-line help的用法和樣例：
例句
- You'll have the option to search both offline and online Help for the latest topics and procedures.
您可以在離線和聯機幫助中搜索最新的主題和過程。 - In addition, because of its friendly graphic interface and detailed online help mechanism, this system can be proficiently operated and used by users.
另外，系統具有良好的圖形用戶界面，操作簡單，並提供大量的聯機幫助，幫助用戶快速掌握系統的使用。
