出席会议的有来自许多国家的科学家和作家。
Present at the meeting were scientists and writers from many countries.
很多真正的伟人都是美国人—尤其是科学家和作家。
Some truly great people have come fromAmerica- scientists and authors especially.
每年，他拿出一部分钱给世界上最优秀的科学家和作家。
Each year some of his money is given to the best scientists and writers of the world.
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