既存用户主要是银行。

Many of theremaining customers are banks.

youdao

三年来，我非常荣幸地参与了使用 IBM WebSphere DataPower 的多个概念验证项目，其中的客户主要是银行和保险公司。

For three years now, I’ve had the pleasure of working on several proof of concept projects that have used IBM WebSphere DataPower, primarily for banks and insurance firms.

youdao

国家主要银行对在成都ATM机上操作的帐户主发短讯说，如果你是志愿者那么你就可以得到免费的保险合同。

As soon as one of the country's major banks detects ATM use in Chengdu, it sends a message to the mobile phone of the account holder offering free insurance, presuming the customer is volunteering.

youdao