此后，谈判员一直在探寻超现实的“障碍的障碍 ” （ backstop to the backstop ） ， 以防第一道障碍从“全天候”变成“有时限 ” （ 用他们的致命术语来说 ） 。
Negotiators have since been exploring the surreal idea of a “backstop to the backstop” in the event that the first backstop ends up being “time-limited” instead of “all-weather,” to use their deadly jargon.