a. + system >>共 925
new 7.36%
banking 3.04%
financial 3.02%
current 3.01%
political 2.87%
legal 2.87%
judicial 1.85%
such 1.39%
old 1.33%
sound 1.13%
rating 0.75%
rating + n. >>共 145
system 31.77%
agency 23.83%
company 3.85%
service 3.13%
point 2.53%
scale 2.29%
firm 1.81%
outlook 1.44%
downgrade 1.44%
change 1.44%
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