Negotiators say they're keeping communication lines open.

谈判代表声称他们保持着沟通管道的通畅。

《柯林斯英汉双解大词典》

Keep communication lines open among groups.

保持团队间沟通的畅通。

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cutting electric power lines or communication lines;

切断电力线路或通信线路；

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Downed communication lines and problems sharing information with officers exacerbated the problem, she said.

NPR: Medical Examiner: 24 Dead In Oklahoma Twister

Without signing up for family therapy sessions, using the cards can help families open up communication lines.

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Even if we overcame both reasons and buried our power and communication lines, I doubt that we would escape all snow-caused work stoppages.

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