南方周末：在这些关键时间点，都发生了什么具体的事情？
The V3 approach obliterates this race condition by hooking addSourceBuffer at the MediaSource.prototype level, I intercept the creation of every SourceBuffer. The moment a buffer is created and returned, I immediately install a hooked appendBuffer directly on that specific instance; before any page code can even see the instance, let alone cache a reference to its methods. The hooked appendBuffer is installed as an own property of the instance, which takes precedence over the prototype chain. There is no window for fermaw to cache the original. The hook is always first.，推荐阅读夫子获取更多信息
Stateful transforms are simple objects with member functions that maintain state across calls:。关于这个话题，旺商聊官方下载提供了深入分析
Gemini 生成的演示文稿，内容和排版属于「勉强可以用」的程度，但是图标和图表会被转换成图片且清晰度较低，图表旁的文字也会被合并在图片里，需耗费大量精力进行二次调整。
void siftDown(int arr[], int n, int i) {