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

Xbox has a very loyal customer base, and Microsoft threatens to alienate that base with this sort of move.

FORBES: Dear Microsoft, Don't Kill Off Used Games

And, further, there are indications that Apple is planning to expand its customer base later this year with a lower-cost iPhone for emerging markets (think India, China, et al.) where consumers tend to pay the full price at retail, not the subsidized contract prices we are spoiled by here.

FORBES: Is Apple 'Doomed'? Is Tim Cook Being Fired? No and No

JPMorgan would be picking up WaMu's customer deposits and in this rapidly changing banking world everyone is in agreement that the important thing is the capital base with customer deposits being an important part of that.

FORBES: Magazine Article