求翻译：Memory exists not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory storage capacity of a computer with that of a human for instant use .An average American teenager probably recognizes the meanings of about 100,000 words of English. However, this is but a traction lf the total amount information which the teenager has stored .Consider, for example, the number of facts and places that the teenager can recognize on sight, The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of person’s memory is in terms of words and combinations of words是什么意思？

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