Your quotation describes a formal use of the term correspondence which is now rapidly becoming obsolete. Until fairly recently correspondence in the context of the exchange of letters and other communications was employed almost entirely as a singular mass noun, to designate an entire body of communications between two parties, or more. This use hewed pretty closely to the etymological sense of the term, a back-and-forth answering. Individual items in the correspondence were referred to with ... 然而，不一定所有地方都承认这个，很多高校、医院的科技处行政机构通常根据通讯栏里的顺序（也就是 Correspondence to）来确认谁是第一通讯作者，从而把科研绩效奖励或者职称评分换算具体确认下。 可能大家会觉得，把通讯栏里的顺序也纠正下不就可以了。 对此，我发表点个人观点。 首先，说 correspondence 是无病呻吟的垃圾论文，我认为这种表述不妥当。比如顶刊CNS发表了具有突破性的研究论文，大多会邀请行内大拿，对文章进行 correspondence （我理解的 correspondence 指代letter to editor,即对最新发表的research进行comment），这种 correspondence 具有很重要的价值，属于对这个研究性论文的解读，相对于论文的讨论有所不同，解读的语言更加 ... 就像做梦一样，昨晚收到Lancet的邮件， 激动地一晚上没睡好。在这里谢谢丁香园论坛及这里的大神们，有你们的支持，才会成功。顺便把我的投稿经历与大家分享一下。首先 通讯所指类型 1：是对该杂志近期发表
