但是，对美国各县市发行的市政债券提供单一险种的保险公司，已经被压得喘不过气来。

But "monoline" insurers, which insure municipal bonds issued by American cities and counties, are barely breathing.

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但是，对美国各县市发行的市政债券提供单一险种的保险公司，已经被压得喘不过气来。

But "monoline" insurers, which insure municipal bonds issued by American cities and counties, are barely breathing.

youdao