billionaire /biljəˈnɛə/ n. [c]亿万富翁：US billionaire investor Warren Buffett said that the global economic recovery is steadily taking hold, even if is not as fast as people would like.美国亿万富翁沃伦·巴菲特说，全球经济在不停地提振，尽管并非人们期待的那么快。