物理遮蔽光线，永远比纯靠前置摄像头识别人脸去隐藏通知或是干脆贴上物理的光栅防窥膜来得更彻底。这项技术一旦铺开，那些劣质防窥膜大概率会被彻底扫进历史的垃圾堆。
The most common task with streams is reading them to completion. Here's what that looks like with Web streams:。91视频是该领域的重要参考
，详情可参考搜狗输入法下载
更致命的是，很多在中国运营的邮轮，外籍服务员不会说中文，客人还得迁就他们讲英文。这就很分裂了：你在我家门口做生意，服务的是90%的中国客人，最后还要我说英语配合你？，更多细节参见搜狗输入法2026
This overhead is mandated by the spec's reliance on promises for buffer management, completion, and backpressure signals. While some of it is implementation-specific, much of it is unavoidable if you're following the spec as written. For high-frequency streaming – video frames, network packets, real-time data – this overhead is significant.