A border is a real or artificial line that separates geographic areas.

边界是分隔地理区域的真实或人工线。

And that's what I keep thinking about about this story is that there's no real line here.

拉蒂夫：关于这个故事，我一直在思考的是，这里没有真正的界限。

The " furious backpedaling of the Johnson government" and the " performative outrage of the footballing authorities suggests that the real red line was not morality, but PR."

“约翰逊政府的疯狂变卦”和“足球当局的愤怒表现表明，真正的红线不是道德，而是公关。”

Marco Polo wrote sometimes the stray travelers will hear the tramp and hum of a great cavalcade of people away from the real line of march, and taking this to be their own company, they will follow the sound.

马可波罗曾经写到，有时迷路的旅者会听到远离正确路线行进的脚步声和嗡嗡声，以为这是自己的队伍，于是跟着声音走。