For example, there might be multiple communication channels: mail, email, phone, and so on.

例如，可能有多个通信通道：邮件、电子邮件、电话等。

youdao

For example, there might be multiple communication channels: mail, email, phone, and so on.

例如，可能有多个通信通道：邮件、电子邮件、电话等。

youdao