const reader = stream.getReader();
判断平台是否完成了可持续转型，可以通过一组剪刀差指标观察：一端是单位交易变现率的变化，另一端是供给侧的满意度指标，例如留存率或净推荐值。如果变现率持续上升，而供给侧满意度同步下滑，这种赚钱方式本质上仍是竭泽而渔。只有当两者同时改善，平台的转型才具备长期稳定性。
，更多细节参见safew官方版本下载
Szubanski is best known for her iconic role as Sharon Strzelecki in the Australian sitcom Kath & Kim, and for her film roles in Babe and Happy Feet.
self.published = published