back channel

英 美
  • 秘密渠道
  • back n.后面;背脊;靠背;后背;后卫vt.支持;后退adv.向后地adj.向后的;后面的;偏远的;过时的;积欠的
  • channel n.频道;海峡;方法;通道;(消息)渠道vt.引导;形成河道;集中(精力)
Noun:
  1. an alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government);

    "they negotiated via a back channel"