Once a young man was traveling by train. It was a long and tiring journey. As the train was 1 across a wilderness (荒野) ,the passengers looked out of the windows happily . When the train reached a bend (转弯处) , it 2 and then a simple house 3 . It was easy to notice 4 everybody on the train turned to “enjoy” with eyes wide open. Some passengers even began a 5 about it. The young man was also very 6 in the topic and enjoyed the house. On his return , he 7 the train at the nearest station and found his way back to the house.Its owner said that he was troubled by the 8 of the train. He wanted to 9 the house, but nobody would buy it. 10 the young man spent 30,000 dollars on the house.He thought it was a good place for 11 because it was facing the railway bend. When the train moved slowly past, the surprised passengers would show a good interest in the house. He 12 to connect with some big companies and told them that it could be used for advertisement. 13 ,the Coca-Cola company took it to put up their ads. To everyone's surprise, the company 14 the young man 180,000 dollars for a three-year rent( 租金 ). This is a true story. It tells us that discovery is very important to 15 . Wise people have got new ideas from it.