time.sleep(2 ** attempt) # 指数退避
During his time at Uber, Michael became a member of Pentagon’s Defense Business Board, an advisory group that shares best practices from the private sector with government agencies. At the time of his appointment, he was the only board member with tech startup experience.
，这一点在一键获取谷歌浏览器下载中也有详细论述
Consider the task of building a slice of tasks to process:，更多细节参见Line官方版本下载
const readable = getWebReadableStreamSomehow();