这也就不难理解，为什么 OpenAI CEO Sam Altman 会在纽约的一场午餐会上，抛开 Google，直言不讳地警告：
The design of Web streams predates async iteration in JavaScript. The for await...of syntax didn't land until ES2018, two years after the Streams Standard was initially finalized. This timing meant the API couldn't initially leverage what would eventually become the idiomatic way to consume asynchronous sequences in JavaScript. Instead, the spec introduced its own reader/writer acquisition model — and that decision rippled through every aspect of the API.
，更多细节参见safew官方版本下载
LSTM + duration prediction
The feature was first spotted by 9to5Google earlier this week, but it appears to be rolling out on a larger scale.