虽然年轻一代一定要看 while young people always look
老一代的人有时不愿意接受新科技，但无人驾驶汽车对这一年龄群体尤其有实际价值。
Whereas older generations are sometimes reluctant to adopt new technologies, driverless cars promise real value to these age groups in particular.
官方数据显示，目前（英国）有近五分之一年龄在20多岁的大学毕业生和父母同住，由此可见，被称为“回巢族”的一代正在兴起。
The rise of the so-called “ boomerang generation” is laid bare in official figures showing that almost one in five graduates in their late 20s now live with their parents.
一项暂定目标是到2015年之前将研制和许可使用第一代具有一年以上50%预防功效的疫苗，可预防严重疾病和死亡。
An interim landmark would be to develop and license a first-generation vaccine by 2015 with 50% protective efficacy against severe disease and death that would last longer than one year.
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