knew山at if they could carry more goods easily as they were shopping,山en his sales would go up.

　　While thinking about the problem one night, he had an idea. Working with a local handyman named

　　Fred Young, he designed the first shopping cart. Today, retailers who use shopping carts sell more goods and make more profits.

　　Nature has also inspired inventors throughout history. This is what happened to George de

　　Mestral one day. While hunting with his dog in the Swiss Alps, he noticed how the burs(剌球) of

　　certain plants stuck to his clothing and to his dog' s fur. After examining them under a microscope,

　　he found they had tiny hooks that could easily stick to the fibers of clothing or animal hide. For the

　　next ten years, George de Mestral searched for the hest way to produce his idea. The result of his original inspiration was Velcro, which is used in many modem objects, including sportswear, shoes, automobiles, and even space suits.

　　These examples show us that there are at least two possible inspirations for human Creativity in

　　the world of inventions - profit and nature.

　　No doubt, the future will continue to breathe new life into the economies of the world with fresh ideas and inventions. How many of their creations will be inspired by natural phenomena? The world's problems require creativity and we can expect best solutions from future generations.

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