Another Republican has entered the 2016 presidential race in the United States. Billionaire real estate magnate Donald Trump announced his candidacy at his New York City skyscraper Tuesday. Top officials of the U.S. central bank are gathered in Washington for two days of meetings to consider how soon and how much to raise a key interest rate. __________________________________________ 又一位共和党人加入2016美国总统大选.周二,房地产大亨、亿万富翁唐纳德 特朗普在纽约的摩天大楼里宣布参加竞选. 美国中央银行的高层齐聚华盛顿参加为期两天的会议,讨论提高关键利率的速度和程度.______________________________________