Obama has proposed reworking the North American Free Trade Agreement with Mexico and Canada, a popular stand with workers who have lost their jobs in several industrialized states.

• 奥巴马已经提出要重新研究与墨西哥和加拿大的北美自由贸易协议。这一立场在工人中深得人心，因为在美国几个以制造业为主的州里，工人失去了就业机会。