那些评级机构只是查看以前累积下来的数据后继续给那些债券最高的评级，但随着时间的推移和房地产市场出现的波动，这些债券正在积累大量风险。
The agencies, looking backward at the accumulated data, continued to give their top rating to securities that were piling up risk as each week went by and the real estate markets started to wobble.
因此，他们计划为个人及家庭成员的市场进行第一个演进，后继的两个演进满足雇主市场的更复杂的需求。
Therefore, they planned their first evolution for the individual and family member market and two subsequent evolutions to address the more complex needs of the employer market.
个人计算机市场的早期是一场壮丽的群雄混战，一个个大大小小的公司前赴后继，争夺新产业的领军地位。
THE early days of personal computing were marked by a spectacular free-for-all as companies big and small fell over one another in a mad rush to become the dominant player in a brand-new business.
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