The North and the South had roughly, as the Northern and Southern states, the Free states and Slave states, had roughly the same geographic size.
北方和南方大致上,北方和南方的各州有,自由州和蓄奴州的区别,但其地理大小总体上相同
Those are the two biggest rating agencies in the U.S. today and they're extremely powerful organizations because they --Standard & Poor's also does letter grades, a slightly different system, but almost the same.
如今他们是美国最大的两家评级机构,而且他们是非常权威的组织,标准普尔也进行字母评级,体系上有些区别,但基本相同
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