In a generation, they have descended from proud working class to demoralized underclass . 仅仅经过了一代人，他们便从自豪的工人阶级蜕化成道德败坏的社会底层分子。
The larger and more varied family units of earlier days probably also served to cushion the shocks of generational conflicts . 早先，较大的和更多样化的家庭可能也充当了减缓一代人与另一代人相冲撞的软垫。
But , if we examine the trend of technology during the past generation , the reasons for this concentration are largely disappearing . 但是假如我们研究一下上一代人的技术发展情况，这种集中的理由正在大量消失。
A new generation of americans-born in this century is tempered by war and disciplined by a hard and bitter peace . 新的一代美国人，这一代人是在本世纪出生的，经受过战争的锻炼，在艰难而痛苦的和平时期受到了陶冶。
That ' s why our generation needs to take a stand 所以我们这一代人要做出点样子来
The task will not be accomplished in one generation 这任务不是一代人所能完成的。
Their music was the voice of a generation 他们的音乐代表了一代人的声音，
Right now , there is a whole and entire generation . . 现在，有整整一代人
