“悬崖边缘”情景 — — 在为期两年的谈判阶段的最后，监管机制突然来一个转向不明确甚至不确定的变化 — — 必须不惜一切代价避免。
A “cliff-edge” scenario – in which the end of the two-year negotiating period brings a sudden change to an unclear or even undecided regulatory regime – must be avoided at all costs.