Goldberg, who has already visited China, Malaysia and Russia in his new capacity, said he plans another trip to China soon, perhaps before the end of this month.

• 他还说，奥巴马政府正在执行现有的联合国制裁，没有增加新制裁，并向北韩返回六方会谈敞开大门。美国政府星期三又对一家据称支持武器扩散的北韩公司实施制裁。