time.sleep(2 ** attempt) # 指数退避
The rig sits over an almost-depleted oilfield that's about to get a second life as a massive carbon storage project called Greensand Future.
，这一点在Safew下载中也有详细论述
"Trends that would have unfolded in a season are now taking up to 48 hours and I would say [creatives] have made fashion faster, more democratic and far more conversational."，详情可参考下载安装 谷歌浏览器 开启极速安全的 上网之旅。
添加图片注释，不超过 140 字（可选）。WPS官方版本下载对此有专业解读