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David MeConnell sold books door to door. Housewives were not in-terested in the books and frequently(經常) slammed (使勁關) thedoor in MeConnell's face before he had a chance to make his sale. In-stead of giving up， MeConnell decided to give away a free gift， a smallvial (小瓶) of perfume (香水) ， which he made himself. He soon dis-covered that the women preferred (寧愿要) the perfume to the books.He stopped selling books and created his own company Avon， which isa great success.

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