Unless of course a producing provider has graduate-degreed writers with an abundance of encounter in composing dissertations, it are not able to deliver what pupils have to have. 至于知+则是企业用的比较多，这里一定要注意开户的是知乎授权代理商，不是授权的不然审核不通过。如果是个人创业可以考虑这个。开通后，可以将自己的内容（回答、文章、视频等）通过知+付费加速分发内容，将内容根据用户属性... https://bookmarkmiracle.com/story15969915/a-review-of-%E4%BB%A3%E5%86%99%E8%AE%BA%E6%96%87