word-of-mouth

剑桥词典

given or done by people talking about something or telling people about something
口头的，口传的
We get most of our work through word-of-mouth recommendations . 我们大部分工作都是通过人们口头推荐得到的。
word-of-mouth publicity 通过口头推荐方式的宣传 返回 word-of-mouth