HowNet is an electronic world knowledge system, which serves as a powerful tool for meaning computation in HLT. 知网是一个人类语言信息处理所必需的世界知识系统，是应用于文本的意义或内容计算的强大工具。
Like radio buttons, list controls are powerful tools for simplifying interaction because they eliminate the possibility of making an invalid selection. 和单选按钮一样，列表控件是简化交互功能的强大工具，因为它排除了做出错误选择的可能性。
