在学术部门中，终身教职加上年龄歧视法，使得教职人员流动变得至关重要，大学要想在变化的时代保持与时俱进是很困难的。
Within academic departments, tenure, combined with age-discrimination laws, makes faculty turnover—critical for a university to remain current in changing times—difficult.
如果仔细从时代、年龄、地理位置、种族以及城乡区别上探究，你会发现人们的烹饪熟练度和技巧是有差别的。
Dig into periods of time or age, geographical location, ethnicity and urban versus rural areas and you will find a separation in cooking familiarity and perhaps skill.
当婴儿潮时代出生的人到达以存钱为主的年龄段时，比值急速下降，在2000年的网络狂潮中迎来低谷。
The ratio fell sharply as the baby boomers reached their prime saving years, hitting a low in 2000 at the time of dotcom mania.
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