“If there are three of you in the group, a response, if only an emoji, is almost expected,” Wesson said. “In group of 50 or more it is practically a criminal offense.”
以上三个陷阱，看似是品牌方的问题，但对加盟商来说，认清它们，才能避免自己踩坑。
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# 设置用户密码（设置一个安全的密码）
Introduction to events: event propagation — MDN Web Docs