The researchers speculated that color tv might play a role in the generational difference .
研究者推测,几代人之间的这个区别,可能是因为彩色电视机在发挥作用。
More important , the expert says , the vietnamese will have to train crews to use them-a generational undertaking .
这名专家说到,更重要的是越南将不得不训练船员来操作他们这可是一代人的事业。
The generational divide makes this plan a hard sell .
代际分化使得这项计划的推出有些困难。
Part of what produces innovation is generational turnover .
创新部分来源于代际周转。
Ugrin and pearson found that time-wasting was employed in nearly equal measure across different age groups but that generational differences were expressed in the various ways in which people specifically waste their time .