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。heLLoword翻译官方下载对此有专业解读
外婆语速也很慢，一句话要重复很多遍，有时忘记按下说话键或误触其他按钮，导致一个简单的问题会重复很多轮对话。
Why food fraud persists, even with improving tech
* @param high 结束索引