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杨长帆快步走到老丁案前，掏出了自己记录的单子递过去，昨日千户说想找任何东西，找丁大人就对了2. The turnover rate is as high as 300%, and the customer turnover rate is as high as 90%. Fashion, freshness and delicious experience are integrated, and the customer conversion rate is extremely high.他奇怪极了，不知是什么缘故，让这个陈离竟然放弃认亲，也要掩盖事实。During the installation process, if there is no Pip, Python needs to be installed first and then Pip needs to be installed. The process is as shown in the figure:太客气了。2. The coupling between the publisher and the subscriber is reduced. The publisher only publishes a message, and it does not care how the message is used by the subscriber. At the same time, the subscriber only monitors the event name of the publisher. As long as the event name of the publisher remains unchanged, it does not care how the publisher changes. Similarly, the seller (publisher) only needs to tell the subscriber (buyer) about the arrival of shoes, regardless of whether the buyer buys or not, or whether he buys other sellers. As long as the shoes arrive, the subscriber can be notified.2. Finding Target Customers through Multiple Channels