// i表示当前要插入的元素索引（从第2个元素开始）
Let me introduce you to what I call the PCM boundary. PCM (Pulse-Code Modulation) is the raw, uncompressed digital audio format that eventually gets sent to your speakers. It’s the terminal endpoint of every audio pipeline, regardless of how aggressively encrypted the source was.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
「十年前我每兩年換一次手機，有時一年一換；也能輕鬆買新進口車。現在連升級到稍好一點的二手車都很吃力，更別說新車。」。快连下载安装对此有专业解读
await chat.addQuery(Message.text(text: userInput, isUser: true));