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276. Although random sampling used for many surveys fails to coverlarge segments of the population, the procedure nonetheless offers insight intovoting and consumption patterns. 虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。 277. The need for more government services has proved to be the casetime and again. 事实多次证明需要更多的政府服务工作。 278. The funny thing about marriage is that the newness soon wearsoff. 婚姻的一个可笑之处是新鲜感马上就没有了。 279. There are instances when one must abandon the tendency forself-prevention in order to assist a person in grave danger. 存在这样的情况：为了帮助处于严重危险中的人，一个人必需抛弃自保的倾向。 280. There are situations in which its highly advisable for aperson to control his/her temper and keep his/her mouth shut. 有些情况下，一个人控制住自己的脾气并保持沉默是明智的。 281. Gone are the days when Chinese people could expect cradle todeath support from the government. 中国人可以指望政府提供从出生到死亡的资助的日子已经不复存在了。 282. The days when one could safely walk city streets at night aregone. | 
