Backchannel
（传递消息的）秘密渠道, 特殊途径
🗣️ 情景例句
Maybe she'll call back. She promised.
也许她会打电话回来。她说了。
Gossiping and lying go hand in hand.
搬事弄非者，必是撒谎人。
I heard that you're getting married, Congratulations.
听说你要结婚了，恭喜！