巴菲特指出，我们不仅克服了他们而且在这个世纪末我们的生活标准戏剧性的增长了将近七倍。
Not only have we overcome them all, Buffett pointed out, but our standard of living has increased dramatically — nearly sevenfold in the last century.
概括来看，男性黑人进监狱的可能性比白人多出七倍。
Overall, black men are seven times more likely to be incarcerated than white men.
具有精神疾病的人们被谋杀的可能性是心理正常人的七倍。
The mentally ill are up to seven times more likely to be murdered than the psychologically sound.
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