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春天的风筝夏天飞
Bonds rated triple A (AAA or Aaa) are said to be prime; double A (A or Aa) are of high ity; single A issues are called upper medium grade, and triple B are medium grade. rated bonds are said to have speculative elements or be distinctly speculative.这条书摘已被收藏0次分享 收藏 0条评价+1
