I'm involved with customer service telephone lines.

我参与了顾客服务热线。

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The users may use chat and E-mail to communicate with each other and with customer service representatives.

用户可以通过网上聊天和电子邮件相互交流，或者与客户服务代表交流。

youdao

To work closely with customer service department to provide technical support and field services to the customers.

和客服部门紧密配合，为客户提供技术支持和现场服务。

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Problems are rare and if something ever came up Amy got it resolved with customer service.

FORBES: How Amy Promotes This Old House

But the Santa Cruz, Calif. company wanted to make sure that its target shared its obsession with customer service.

FORBES: The Race To Embrace

If you stop and think about it, almost every day, people interact with customer service personnel multiple times per day.

FORBES: Time To Raise The Bar On Customer Service