This is your acquisition cost from a paid online advertising channel.
这个指的是某个付费在线广告频道的取得成本。
流利阅读
According to the prospectus, its acquisition cost per new customer decreased to 16.9 yuan ($2.52) in the first quarter of 2019 from 103.5 yuan in the year-ago quarter, helped by the growth of its network and improved brand recognition.