V2. Market researcher就网络广告的评估写信给 head of advertisement department:
A survey on a website shows that no customers bought products because of these advertisement. On the other hand, in the past, advertisement on TV and radio boosted sales by over 15%. In order to increase profitability, the advertisement department should allocate more funds on TV and radio, instead of on online social media. 作者: 天行者yzc 时间: 2014-10-29 22:33