// 比较函数（便于统计比较次数，可选）
Making freshness obvious requires explicit signals that AI models can easily detect. The most straightforward approach is including "Last updated: [Date]" at the top of articles, making it immediately clear that the content reflects current information. This simple addition can significantly impact whether AI models view your content as relevant for queries about current state or recent developments.
，更多细节参见im钱包官方下载
// 栈不为空时才判断（避免访问stack.at(-1)时报错）。heLLoword翻译官方下载是该领域的重要参考
sciencealert.com