In business, you have to have a wide customer base and this comes with successful advertising and marketing.

生意，你必须有广泛的客户基础，这是成功的广告和行销。

youdao

In business, you have to have a wide customer base and this comes with successful advertising and marketing.

生意，你必须有广泛的客户基础，这是成功的广告和行销。

youdao