One of the major reasons economic sanctions have fallen short in the past is that not all countries have complied. Indeed, significant differences of domestic opinion in the imposing country often undermine sanctions as well.
过去经济制裁收效甚微的一个主要原因是并非所有国家都遵守制裁规则。事实上，实施国国内观点的巨大差异也常常破坏制裁。