Mr Bush has tightened the embargo by restricting family visits; he is funnelling some $46m a year into efforts to promote democracy on the island, though these have little effect.

• 布什先生加大了禁运的力度，限制亲属访问；他每年投入大约4600万美元，希望促进这个岛国的民主，但是效果极其有限。