(often plural) a means of communication or access; "it must go through official channels"; "lines of communication were set up between the two firms" 伝達またはアクセスの手段。
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【上位】 the activity of communicating; the activity of conveying information; "they could not act without official communication from Moscow" 伝達する活動。情報を伝達する活動。
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【下位】 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" 協定が内密に行われなければならない場合に（特に外交または政府で）、使われるコミュニケーションの通常の経路に代わるもの。
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【下位】 (metaphor) a channel through which something can be seen or understood; "the writer is the lens through which history can be seen" 何かが見られることができるか、理解されることができる流れ。
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