-analyzeduration 500M \
We step on to Siri, a larger "mother platform" that has a control centre manned by offshore workers.
，这一点在Line官方版本下载中也有详细论述
No custom ReadableStream class with hidden internal state. A readable stream is just an AsyncIterable. You consume it with for await...of. No readers to acquire, no locks to manage.
Kevin Church/BBC News