sudden
突然发生的事;突然的,意外的;快速的
【例】 To our surprise, he made a sudden decision to sell all the stocks when they were soaring.
令我们吃惊的是,在股价飙升时,他突然决定抛售所有股票。
sufficient
足够的;充分的
【例】 What bothers him is that he does not have sufficient funds to expand his business.
没有足够资金来扩大业务让他很困扰。
summary
摘要,概要;总结;概括性的;总结的;扼要的;即刻的
【例】 He made a brief summary of the sales status of last month on the board.
董事会上他对上个月的销售情况作了简短总结。
summit
顶峰;政府首脑会议,最高级会议
【例】 According to the news report, thirty African heads of state and government attended the two-day summit.
据新闻报道,有30个非洲国家和政府首脑出席了这次为期两天的首脑会议。
superior
上级,长官;长者;优胜者;上级的;优秀的,卓越的;高傲的;(数量)较多的;较高的
【例】 Compared with cash deposits, long-term fund investments usually produce superior returns.
同现金存款相比,长期的基金投资通常会带来较多收益。