Penturbia asserted that high costs and urban crowding would drive the middle class out of cities and suburbs.
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One of them, Penturbia, was written in 1991 by a University of California professor named Jack Lessinger .
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。