Behind in public-opinion polls with three weeks to go until election day, McCain is trying to find ways to address voter concerns about the economy, the number-one issue in the campaign.

• 由于离美投票还有三个星期的时间，而麦凯恩在民意调查中落后，他正努力寻找办法来解决选民关注的经济问题，这已经成为这次选举的头号议题。