communication channel
US /kəˌmjuːnɪˈkeɪʃn ˈtʃænl/
UK /kəˌmjuːnɪˈkeɪʃn ˈtʃænl/

1.
沟通渠道, 传播途径
the means by which a message is sent from a sender to a receiver
:
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Email is a common communication channel in modern workplaces.
电子邮件是现代工作场所常见的沟通渠道。
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Choosing the right communication channel is crucial for effective messaging.
选择正确的沟通渠道对于有效传递信息至关重要。