像运营商的语音邮件系统。

Like operator's voicemail system.

youdao

一个语音邮件系统可以代替人，但是你仍然必须检查维持这项服务的相关的隐藏成本。

A voice-mail system can replace a human, but you still have to examine the hidden costs associated with maintaining the service.

youdao

一个语音邮件系统可以代替人，但是你仍然必须检查维持这项服务的相关的隐藏成本。

A voice-mail system can replace a human, but you still have to examine the hidden costs associated with maintaining the service.

youdao