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Part B usually covers 80% of a drug's price, and most patients have additional insurance to cover the remainder.
部分涵盖了药费的80%，大部分患者的附加保险则涵盖了余额。
youdao
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Part B usually covers 80% of a drug's price, and most patients have additional insurance to cover the remainder.
部分涵盖了药费的80%，大部分患者的附加保险则涵盖了余额。
youdao