摇摇推（tuī）广和普（pǔ）及普通（tōnɡ）话是我国的一项（xiànɡ）重要的语言政策（cè）。摇摇每一个中国公民，都有义务（wù）学习普通话和在公开场合使用普通话。摇摇语言是交际（jì）的重要工具（jù），那么普通话在人与人的交往中起了什么样的作用呢？有这样一 Shaking the words of broad and ordinary is one of our country's important language policies (cè). To shaken every Chinese citizen has the obligation to learn Mandarin and to use Putonghua in public. Shake language is an important tool for communication, then Mandarin in the interaction between people played what kind of role? There is such a