single alternative的用法和样例：
例句
- It also allows you to apply schemes either to a single page or to the entire document.
它还允许您将方案应用于单一页或整个文档。 - Unlike other vendors, with its Ovation system Emerson is able to address both the instrumentation and control and electrical systems with a single, integrated automation solution.
不同于其他供应商，艾默生可以在一个单一集成自动化解决方案中，提供仪器仪表以及控制和电气系统。
