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数学家葛教授出差,住在一家星级酒店里。一天深夜,人们发现他昏迷在酒店的一间包房内,而随身带的钱包却不见了踪影。罪犯在现场没
Professor Ge, a mathematician, is on a business trip and lives in a star hotel. Late one night, people discovered that he was unconscious in a private room in the hotel and his wallet was gone. The criminal was not on the scene