出版物
170. make great fortune overnight一夜暴富
171. authentic copyright holders版权合法持有者
172. prosecute起诉
173. employ more scientific and advanced inspection methods利用更多科学，先进的检测手段
174. only attach importance to superficial characteristics只注重产品的外在特征
175. tell the authentic copy from the false one将正版与盗版区分开来
176. actions speak louder than words.行动胜于空谈。
177. the early 1990’s witnessed an unprecedented tide of rural workers flooding into big cities.20世纪90年代初期，农民工开始如潮水般地涌入大城市。
178. no one denies the important contribution rural workers have made to urban development.没有人能否认农民工为城市建设做出的重要贡献。
179. an indispensable part of urban life城市生活中不可或缺的一部分
180. yet an anti-migrant attitude runs consistently through the mainstream of urbanization.然而，反对农民工进城的态度一直贯