Indeed, they have often been more useful in proving the law of unintended consequences. So it might be useful to step back and take one more look at our disagreeable negotiating partner – Iran – to see what should, and should not, be emphasized diplomatically.
当然从历史上看，通过制裁达到目标的记录似乎并不乐观。 事实上，制裁一直能很好地证明非预期后果法则。 因此我们或许可以退后一步，再次审视伊朗这个令人不快的谈判伙伴，以便确定哪些问题可以被列为外交重点。