第四步，LLM 一次总结。为每个时间窗口生成活动描述。
В Москве прошла самая снежная зима14:52
，这一点在同城约会中也有详细论述
We're huge fans of what the npmx community is building. Today's alpha is just the starting line, and we're proud to be running alongside them.
Сайт Роскомнадзора атаковали18:00。谷歌浏览器【最新下载地址】对此有专业解读
Babies exposed to poverty show delays in motor development as early as six months, but reversal is possible, as the delays were no longer significant by eight months
Александра Статных (Редактор отдела «Путешествия»)。业内人士推荐快连下载安装作为进阶阅读