“每一种交流通道都愈加显示出自己独特的功能”，Broadbent女士说。
"Each communication channel is performing an increasingly different function," says Ms Broadbent.
在过去的5年里，Twitter很大程度上改变了在线交流方式，为人们提供了便捷的交流通道。
Over the last five years, Twitter has changed the way many communicate online, offering a concise way to interact with large crowds of people.
脸部具有非常复杂的生理构造，富含重要的生理与心理信息，同时也是非常重要而又复杂的交流通道。
Face has a very complex physical structure, which is rich in important physiological and psychological information, and it is also a very important and complex communication channel.
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