官网上有对5个用户的解释:Total number of unique users in your company (in case of internal application) or in ALL the companies that are your customers (in case of OEM/SaaS solution) that access CKEditor at least once in a month.也就是说如果你是公司内部用,就是你公司的用户数,如果你是做Saas,就是你所有客户的用户数加起来,他不会来统计,需要你们自觉遵守并购买合适的License。