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great changes have taken place in the past twenty years . the people have found a lot of ways of making money . now there are many tall buildings . they are very beautiful . roads are wide and clean . people can take buses or drive their own cars to go to
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
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