Making matters worse, concessions on either side appear to leave no impression on the other. On the contrary, they are usually met with lethal provocations that push any agreement even further away.
更糟的是，任何一方的让步似乎都得不到对方的认可。相反，对方却往往报之以致命的挑衅，使达成协议的前景变得更加渺茫。