And, if push came to shove, it would be good for other governments to know that the US and/or Israel decided to attack only after offering Iran a face-saving way out. That would make it less difficult to keep economic pressure on Iran in the aftermath of any strike.
此外，如果推动变成了强行推进，则有助于其他政府了解美国和/或以色列是在给了伊朗体面台阶之后才决定动武的。这能让在袭击之后保持对伊经济压力的困难减小。