如果带手套的人握紧拳头，机器人就会认为该指令是让它用手臂抓住某个物体。
If the glove's wearer closes his fist, the robot takes that as an instruction to grip an object with its arms.
组件其实就是一个带模板的指令。它是这三种指令中最常用的，我们会写大量的组件来构建应用程序。
The Component is really a directive with a template. It's the most common of the three directives and we write lots of them as we build our application.
你已经有一张了。你只是没有在带指令的方式下作用它而已。
You've already got one; you're just not using it in a directed way.
你已经有一张了。你只是没有在带指令的方式下作用它而已。
You've already got one; you're just not using it in a directed way.
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